Steam locomotives of Ireland

A wide variety of steam locomotives have been used on Ireland's railways. This page lists most if not all those that have been used in the Republic of Ireland and Northern Ireland. Irish railways generally followed British practice in locomotive design.
The list that follows is roughly geographic order.

Northern Ireland

The Ulster Transport Authority, which controlled the railways in Northern Ireland between 1948 and 1966, replaced steam haulage on passenger trains with diesel multiple units, but had only two diesel shunting locomotives, which meant a continued role for steam on freight work. Twenty-three locomotives passed to Northern Ireland Railways in 1967, but most were not used again and all had been withdrawn by 1971.

Belfast and County Down Railway

The Belfast and County Down Railway was founded in 1848. It absorbed the Belfast, Hollywood and Bangor Railway in 1884 and continued operating until it was nationalised in its centenary year into the Ulster Transport Authority as a result of the Ireland Act 1949.

Type	Fleet numbers	Quantity made	Manufacturer	Date made	Date withdrawn	Notes
2-2-2	1–4	4	Bury, Curtis, and Kennedy	1848	1858–1865	No. 2 renumbered 8 and rebuilt as 0–4–2; withdrawn 1890s
2-2-2WT	1T, 2T	2	William Fairbairn & Sons	1850–1851	1867–1877	Renumbered 4 and 5 in 1859
2-4-0T	5, 6	2	Beyer, Peacock & Co.	1857–1858	1894–1894	No. 5 renumbered 7 in 1859
2-4-0T	8	1	Beyer, Peacock & Co.	1859	1880s
0-4-2	9, 10	2	William Fairbairn & Sons	1859	1886–1887
2-4-0ST	11–13, 3, 5	5+2	Vulcan Foundry	1864–67	1890–1909	12–13 sold to BH&BR 1–2 in 1870; renumbered 15–16, along with two identical locos bought new by BH&BR → BCDR 17, 20
2-4-0T	1	1	John Fowler & Co.	1867	1909	rebuilt as 0–4–2 in 1884
2-4-0	12, 13	2	Manning Wardle	1868	1888–1904?
0-6-0	14	1	Vulcan Foundry	1875	1904
0-6-0	4	1	Beyer, Peacock & Co.	1878	1922
0-4-2	2	1	Sharp, Stewart & Co.	1880	1937	rebuilt as 0-4-2T in 1902
0-4-2	8	1	BCDR Queens Quay Works, Belfast	1881	1897
2-4-0T	18, 19	2	Yorkshire Engine Co.	1870	1891	ex BH&BR 4 & 5
0-4-2	10, 9, 13, 16	4	Sharp, Stewart & Co.	1886–1890	1914–1949	rebuilt as 0–4–2T ; 9 renumbered 28 in 1945
2-4-2T	18, 19, 21, 22	4	Beyer, Peacock & Co.	1891	1920	Compounds; rebuilt as 4-4-2T in late 1890s
2-4-0	23–25	3	Beyer, Peacock & Co.	1892	1921	Compounds
0-6-0	26	1	Beyer, Peacock & Co.	1892	1950
2-4-0	6	1	Beyer, Peacock & Co.	1894	1956
2-4-2T	5, 7, 8, 27, 28, 29	6	Beyer, Peacock & Co.	1896–1897	1923–1950
4-4-2T	3, 15, 30, 11, 12, 1, 17, 20, 13, 18, 9, 21	12	Beyer, Peacock & Co.	1901–1921	1956–1962	UTA renumbered by adding 200
0-6-0	14	1	Beyer, Peacock & Co.	1904	1954	Renumbered 214 by UTA
Railmotor	1–3	3	Kitson & Co.	1905–1906	1924	Carriage portions saw further use
0-6-0	10, 4	2	Beyer, Peacock & Co.	1914–1921	1956	4 renumbered 204 by UTA
4-6-4T	22–25	4	Beyer, Peacock & Co.	1920	1956	Renumbered 222–225 by UTA
0-6-4T	29	1	Beyer, Peacock & Co.	1923	1956	Renumbered 229 by UTA
4-4-2T	8, 16, 9	3	Beyer, Peacock & Co.	1924–1945	1956	UTA renumbered by adding 200
C d	D1	1	Harland & Wolff	1933		Renumbered 2 in 1937
d	D2	1	Harland & Wolff	1937		Renumbered 28 in 1937

Belfast and Northern Counties Railway (1848–1903) & Northern Counties Committee (1903–1949)

The Belfast and Northern Counties Railway, was a railway that served the north-east of Ireland. It had its origins in the Belfast and Ballymena Railway that opened to traffic on 11 April 1848. The Northern Counties Committee came into existence on 1 July 1903 as the result of the Midland Railway taking over the BNCR. At the 1923 Grouping the Committee became part of the London Midland and Scottish Railway ; with the nationalisation of the railways in Britain in 1948 the line passed to the British Transport Commission and in the following year, 1949, it was sold to the Ulster Transport Authority as a result of the Ireland Act 1949.
;Belfast and Ballymena Railway and other constituents
The early locomotives of the constituent companies were to assorted designs from a number of manufacturers. The first locomotives for the Belfast and Ballymena Railway were purchased from Bury, Curtis, and Kennedy. These were four 2-2-2 singles and one 0-4-2 goods engine. Later, four more 2-2-2s were ordered but this time from Sharp Brothers. Fairbairn 2-2-2s were to be found on the Ballymena Ballymena, Ballymoney, Coleraine and Portrush Junction Railway but this company also favoured Sharp locomotives which were double framed 2-4-0s.

Belfast and Northern Counties Railway (1860–1903)

The BNCR introduced class letters for its locomotive stock in 1897. The MR and later the LMS continued to use the system adding new classes as required.

Class	Type	Fleet numbers	Quantity made	Manufacturer	Date made	Date withdrawn	Notes
A	4-4-0	3–5, 9, 17, 20, 34, 63–68	13	York Road Works Derby Works	1901–1908	1929–1936	Heavy compound locomotives
B	4-4-0	24, 59–62	5	Beyer, Peacock & Co.	1897–1898	1924–1932	Light compound locomotives
C	2-4-0	21, 33, 50–52, 56–57	7	Beyer, Peacock & Co.	1890–1895	1926–1942	Light compound locomotives; 50 renumbered 58
D	2-4-0	50, 55	2	Beyer, Peacock & Co.	1895	1944–1946	Heavy compound locomotives; named Jubilee and Parkmount; rebuilt as 4-4-0 in 1897
E	0-6-0	53–54	2	Beyer, Peacock & Co.	1892	1934–1944	Compound goods locomotives
F	2-4-0	45–46, 23	3	Beyer, Peacock & Co.	1880–1885	1938–1942
G	2-4-0	6, 8, 10–11, 22, 27, 29, 40–41	9	Sharp, Stewart & Co. Beyer, Peacock & Co.	1872–1878	1925–1933
H	2-4-0	12–17	6	Sharp, Stewart & Co.	1856	1908–1924
I	2-4-0	40–41	2	Beyer, Peacock & Co.	1868	1924	Renumbered 1–2
J	2-4-0T	25, 47–49	4	Beyer, Peacock & Co.	1883	1932–1934	Rebuilt as saddle tanks
K	0-6-0	7, 28, 30–32, 38–39, 43–44	9	Sharp, Stewart & Co. Beyer, Peacock & Co.	1867–1880	1925–1947
L	0-6-0	18–19, 35	3	Sharp, Stewart & Co.	1857–1861	1925–1933
L1	0-6-0	36–37	2	Beyer, Peacock & Co.	1863	1928–1932
M	0-4-2	26	1	York Road Works	1873	1925
N	0-4-0ST	42	1	Sharp, Stewart & Co.	1875	1925
O	0-4-2ST	60–62	3	Black, Hawthorn & Co	1874–1875	1911–1923	Narrow gauge locomotives; ex Ballymena, Cushendall and Red Bay Railway 1–3; renumbered 101–103
P	2-4-0T	63–64	2	Beyer, Peacock & Co.	1877–1878	1920–1928	Narrow gauge locomotives; ex Ballymena and Larne Railway 1 & 4; renumbered 104–105
Q	0-6-0T	65–67	3	Beyer, Peacock & Co.	1877–1882	1931–1933	Narrow gauge locomotives; ex Ballymena & Larne Railway 2, 3 & 6; renumbered 106–108
R		68	1	Beyer, Peacock & Co.	1880	1934	Narrow gauge locomotive; ex Ballymena & Larne Railway 5; renumbered 109
S	2-4-2T	69–70	2	Beyer, Peacock & Co.	1882	1946–1954	Narrow gauge compound locomotives; renumbered 110–111

Northern Counties Committee (1903–1949)

Cross-Border Lines

Following the division of Ireland in 1921 into two administrations, a number of railways now found themselves operating on both sides of the newly created boundary between Northern Ireland and the Irish Free State.

West Donegal Railway

The West Donegal Railway became the Donegal Railway in 1892; and the County Donegal Railways Joint Committee after being jointly acquired in 1906 by the Great Northern Railway and the Midland Railway's Northern Counties Committee.

Class	Type	Fleet numbers	Quantity made	Manufacturer	Date made	Date withdrawn	Notes
1	2-4-0T	1–3	3	Sharp, Stewart & Co.	1881	1909–1926
2	4-6-0T	4–9	6	Neilson & Co.	1893	1931–1937
3	4-4-4T	10–11	2	Neilson, Reid & Co.	1902	1933
4	4-6-4T	12–15	4	Nasmyth, Wilson & Co.	1904	1953–1959	Renumbered 9–12 in 1937
5	2-6-4T	16–20	5	Nasmyth, Wilson & Co.	1907	1940–1950	Renumbered 4–8 in 1937
5A	2-6-4T	21, 2A, 3A	3	Nasmyth, Wilson & Co.	1912	1959	Renumbered 1–3 in 1937

Dundalk, Newry and Greenore Railway

Great Northern Railway

The Great Northern Railway was formed in 1876 acquiring a variety of locomotives. Nos 1 to 23 were from Dublin and Drogheda Railway; Nos. 24 to 41 from the Dublin and Belfast Junction Railway; Nos. 43 to circa 78 from the Irish North Western Railway and Londonderry and Enniskillen Railway; Numbers in the eighties from the Newry and Armagh Railway and nos. 100 to 141 from the Ulster Railway. Later acquisitions in the 1880s from the Newry, Warrenpoint, and Rostrevor and the Belfast Central Railway were numbered in the Nineties. The GNRI straddled the border between the Republic and Northern Ireland, and so was not incorporated in either the CIÉ or UTA. However, mounting losses saw the network purchased jointly by the Irish and British governments on 1 September 1953. It was run as a joint board, independent of the CIÉ and UTA, until 30 September 1958 when it was dissolved and the remaining stock split equally between the two railways.
;?

Class	Type	Fleet numbers	Quantity made	Manufacturer	Date made	Date withdrawn	Notes
B		6, 26–27, 34, 62–63, 65–67	9	Sharp, Stewart & Co.	1877–1880	1925–1938
G	2-4-0	24–25, 46–47, 59, 80	6	Beyer, Peacock & Co.	1877–1883	1913–1921	Several renumbered
H	2-4-0	84–87	4	Beyer, Peacock & Co.	1880–1881	1931–1932

;James Crawford Park

Class	Type	Fleet numbers	Quantity made	Manufacturer	Date made	1958 CIÉ	1958 UTA	Date withdrawn	Notes
A	0-6-0	28, 31, 33, 79–83, 60–61, 64, 145–146, 149–150	15	Beyer, Peacock & Co. Dundalk Works	1882–1891	3	0	1937–1961	Several renumbered; three sold to SL&NCR
BT		2–8, 91–92, 97–100	13	Beyer, Peacock & Co. Dundalk Works	1885–1893	—	—	1910–1935	Several renumbered
J	4-4-0	17–21, 45, 48, 115–119	12	Beyer, Peacock & Co.	1885–1889	—	—	1921–1934	45/48 renumbered 15/16; two sold to SL&NCR
JS	4-2-2	88–89	2	Beyer, Peacock & Co.	1885	—	—	1904	Named Victoria and Albert
P	4-4-0	51–54, 72–73, 82–83	8	Beyer, Peacock & Co.	1892–1895	3	0	1950–1959	Rebuilt with superheaters as class Ps
AL	0-6-0	29, 32, 36, 55–59, 151–153	11	Beyer, Peacock & Co. Dundalk Works	1893–1896	6	2	1957–1961	151/152 renumbered 141/140
JT	2-4-2T	90, 93–94, 95, 13–14	6	Dundalk Works	1895–1902	1	0	1955–1963	13/14 renumbered 91/92

;Charles Clifford

Class	Type	Fleet numbers	Quantity made	Manufacturer	Date made	1958 CIÉ	1958 UTA	Date withdrawn	Notes
PP	4-4-0	12, 25, 42–46, 50, 70–71, 74–77, 106–107, 129	17	Beyer, Peacock & Co. Dundalk Works	1896–1911	5	7	1957–1963	Rebuilt with superheaters as class PPs
PG	0-6-0	10–11, 78, 100–103	7	Neilson, Reid & Co. Dundalk Works	1899–1904	0	7	1960–1964	Rebuilt with superheaters as class PGs
Q	4-4-0	120–125, 130–136	13	Neilson, Reid & Co. North British Loco. Co. Beyer, Peacock & Co.	1899–1904	5	4	1951–1963	Rebuilt with superheaters as class Qs
QG	0-6-0	152–155	4	North British Loco. Co.	1903–1904	4	0	1962–1963	Rebuilt with superheaters as class QGs
P	4-4-0	88–89, 104–105	4	Dundalk Works	1904–1906	1	0	1956–1960	Rebuilt with superheaters as class Ps
QL	4-4-0	24, 113–114, 126–128, 156–157	8	North British Loco. Co. Beyer, Peacock & Co.	1904–1910	0	3	1932–1960	Rebuilt with superheaters as class QLs
QGT	0-6-2T	98–99	2	R. Stephenson & Co.	1905	1	0	1957–1960	Rebuilt with superheaters as class QGTs
LQG	0-6-0	78, 108, 110–111, 158–164	11	North British Loco. Co. Dundalk Works	1906–1908	6	5	1958–1963	Rebuilt with superheated as class LQGs
RT		22–23, 166–167	4	Beyer, Peacock & Co.	1908–1911	0	4	1958–1963	-
NQG	0-6-0	9, 38–39, 109, 112	5	Nasmyth, Wilson & Co.	1911	2	3	1958–1963	Four rebuilt with superheaters as class NQGs; one rebuilt to class LQGs
NLQG	0-6-0	165	1	Nasmyth, Wilson & Co.	1911	0	1	1961	Rebuilt to class LQGs
QGT2	0-6-2T	168–169	2	R. Stephenson & Co.	1911	—	—	1957
S	4-4-0	170–174	5	Beyer, Peacock & Co.	1913	3	2	1964–1965	Named after mountains; CIÉ locos to UTA in 1963
SG	0-6-0	37, 40–41, 137–138	5	Beyer, Peacock & Co.	1913	3	2	1961–1965

;G. T. Glover

Class	Type	Fleet numbers	Quantity made	Manufacturer	Date made	1958 CIÉ	1958 UTA	Date withdrawn	Notes
T	4-4-2T	185–189	5	Beyer, Peacock & Co.	1913	1	4	1959–1964	Rebuilt with superheaters as class T1
SG2	0-6-0	180–184	5	Beyer, Peacock & Co.	1915	3	2	1961–1963
S2	4-4-0	190–192	3	Beyer, Peacock & Co.	1915	1	2	1960–65
U	4-4-0	196–200	5	Beyer, Peacock & Co.	1915	3	2	1959–1963	Named after Loughs
SG3	0-6-0	6–8, 13–14, 20, 47–49, 96–97, 117–118, 201–202	15	Beyer, Peacock & Co.	1920–1921	7	8	1960–1967	201–202 renumbered 40–41
T2	4-4-2T	1–5	5	Beyer, Peacock & Co.	1921	2	3	1959–1964
T2	4-4-2T	21, 30, 115–116, 139, 142–144, 147–148	10	Nasmyth, Wilson & Co.	1924	6	4	1958–1963	147–148 renumbered 67 and 69
SG2	0-6-0	15–19	5	Nasmyth, Wilson & Co.	1924–1926	2	3	1959–1965
Crane		31	1	Hawthorn Leslie	1928	0	0	1963	to Dundalk Engineering Co. in 1958; to CIÉ in 1960
T2	4-4-2T	62–66	5	Beyer, Peacock & Co.	1929–1930	3	2	1959–1960
V	4-4-0	83–87	5	Beyer, Peacock & Co.	1932	2	3	1959–1963	Three-cylinder compound; named after birds of prey

;G. B. Howden

Class	Type	Fleet numbers	Quantity made	Manufacturer	Date made	1958 CIÉ	1958 UTA	Date withdrawn	Notes
UG	0-6-0	78–82	5	Dundalk Works	1937	2	3	1960–1965

;H. R. McIntosh

Class	Type	Fleet numbers	Quantity made	Manufacturer	Date made	1958 CIÉ	1958 UTA	Date withdrawn	Notes
UG	0-6-0	145–149	5	Beyer, Peacock & Co.	1948	3	2	1960–1968
U	4-4-0	201–205	5	Beyer, Peacock & Co.	1948	2	3	1962–1965	Named after counties
VS	4-4-0	206–210	5	Beyer, Peacock & Co.	1948	3	2	1960–1965	Three-cylinder simple; named after rivers

Londonderry and Lough Swilly Railway

;Broad gauge locomotives

Type	Fleet numbers	Quantity made	Manufacturer	Date made	Date withdrawn	Notes
0-6-0T	1–2	2	G&W	1862	1883–1885	No. 2 renumbered 3; No. 1 sold to Londonderry Port and Harbour Commissioners
0-6-0ST	3–4	2	Robert Stephenson & Co.	1864	1869–1882	No. 4 renumbered 2; Sold to Londonderry Port and Harbour Commissioners
0-6-0T	4–5	2	Sharp, Stewart & Co.	1876–1879	1885	Sold to Cork and Bandon Railway as their Nos. 14–15

;Narrow gauge locomotives

Type	Fleet numbers	Quantity made	Manufacturer	Date made	Date withdrawn	Notes
0-6-2WT	1	1	Black, Hawthorn & Co	1882	1911	Sold to a contractor
0-6-2T	2–3	2	Black, Hawthorn & Co	1883	1912–1913
0-6-0T	4	1	Black, Hawthorn & Co	1885	1940	renumbered 17 in 1913
2-4-0T	5–6	2	Robert Stephenson & Co.	1874	1899	Ex Glenariff Iron Ore and Harbour Company, acquired 1885; renumbered 5A and 6A in 1899
4-6-2T	5–8	4	Hudswell Clarke	1899–1902	1940–1954	5 and 6 renumbered 15 and 16 in 1913
4-6-0T	1–4	4	Andrew Barclay Sons & Co.	1902	1940–1954	Owned by the Letterkenny and Burtonport Extension Railway
4-6-2T	9–10	2	Kerr Stuart	1904	1928–1954
4-8-0	11–12	2	Hudswell Clarke	1905	1933–1954
4-6-2T	13–14	2	Hawthorn Leslie	1910	1940–1943	to Letterkenny and Burtonport Extension Railway in exchange for L&BER 5 and 6
4-8-4T	5–6	2	Hudswell Clarke	1912	1954	Owned by the Letterkenny and Burtonport Extension Railway; to L&LSR in exchange for 13 and 14.

Sligo, Leitrim and Northern Counties Railway

The Sligo, Leitrim and Northern Counties Railway was a small cross-border railway that closed in 1957. Its locomotive fleet never carried numbers, only names.

Class	Type	Names	Quantity made	Manufacturer	Date made	Date withdrawn	Notes
Pioneer	0-6-2T	Pioneer Sligo	2	Avonside Engine Co.	1877	1921
Leitrim	0-6-4T	Fermanagh Leitrim Lurganboy Lissadell Hazlewood	5	Beyer, Peacock & Co.	1882–1899	1947–1957	also known as Fermanagh class
Erne	4-4-0T	Erne	1	Hudswell Clarke	1883	1910	rebuilt as 4-4-2T in 1885
Faugh-a-Ballagh	0-4-0ST	Faugh-a-Ballagh	1	Hunslet Engine Co.	1878	?	Acquired 1897: ex contractors' locomotive
Waterford	0-6-0T	Waterford	1	Hunslet Engine Co.	1893	?	Acquired 1897: ex contractors' locomotive
Sir Henry	0-6-4T	Sir Henry Enniskillen Lough Gill	3	Beyer, Peacock & Co.	1904–1917	1957
Glencar	4-4-0	Blacklion Glencar		Beyer, Peacock & Co.	1885–87	1928–1931	Acquired 1921: ex GNRI Class J nos. 118 and 119
Sligo	0-6-0	Glencar ‘A’ Sligo Sligo		Beyer, Peacock & Co.	1882–1890	1940–1949	Acquired 1927–1940: ex GNRI Class A nos. 31 and 149 ; latter swapped for GNRI 69 in 1940
Lough	0-6-4T	Lough Melvin Lough Erne	2	Beyer, Peacock & Co.	1949	1957	to UTA in 1959 as nos. 26–27, UTA class Z; withdrawn 1968–1970

Irish Free State and Republic of Ireland

The railways wholly in the Irish Free State were merged into one private company — Great Southern Railways — in 1925. The GSR renumbered all the broad gauge locomotives into one series with the former Great Southern and Western Railway locomotives retaining their old number. The GSR had two parallel classification systems – a numerical system which was the lowest number of a locomotive in that class, and an alpha-numrical which used a letter to indicate the wheel arrangement, and a number, with the lowest number given to the most powerful class with that wheel arrangement. The latter system was only used by Inchicore Works for accounting purposes, while the former was used by locomotive crews and the drawing office at Inchicore Works.

Letter	Wheel Arrangement	Letter	Wheel Arrangement	Letter	Wheel Arrangement
A	4-8-0T	F	2-4-2T	K	2-6-0
B	4-6-0	G	2-4-0	L	0-4-2
C	4-4-2	H	0-6-4	M	0-4-0
D	4-4-0	I	0-6-2T	N	2-2-2
E	0-4-4T	J	0-6-0	P	2-6-2

Note that narrow gauge locomotive classes included the letter N after the prefix letter, letter C was also used for Bo-Bo diesels, and that letters B, C, D, F, J, and K were used for the same wheel arrangements by the London and North Eastern Railway, while E and G changed places.
In 1945, the GSR became part of Córas Iompair Éireann, which amalgamated the railway, road transport and canal functions of the State. CIÉ was nationalised in 1950 and settled on a policy of replacing steam with diesel locomotives, a process that was completed in 1962.

Midland Great Western Railway (1847–1924)

;M. Atock

MGWR Class D – GSR Class 530 or Class D16
MGWR Class E – GSR Class 551 or Class J26
MGWR Class H – GSR Class 619 or Class J6
MGWR Class K – GSR Class 650 or Class G2
MGWR Classes L and Lm – GSR Classes 573 and 594, Classes J18 and J19
MGWR Class Ln – GSR Class 563 or Class J16
MGWR Class P – GSR Class 614 or Class J10
MGWR Class W – GSR Class 234 or Class J17

;E. Cusack

MGWR Classes A, As and A1 – GSR class 545 or Class D5
MGWR Class B – GSR Class 646 or Class J2
MGWR Classes C and Cs – GSR Class 536 or Class D7
MGWR Classes C and C1 – GSR Class 540 or Class D6

;W. H. Morton

MGWR Classes F, Fa, and Fb – GSR Class 623 or Class J5
Great Southern and Western Railway (1845–1924)

;Alexander McDonnell

GS&WR Class 2 – GSR Class 2 or Class D19
GS&WR Class 21 – GSR Class 21 or Class G4
GS&WR Class 47 – GSR Class 47 or Class E3
GS&WR Class 90 – GSR Class 90 or Class J30
GS&WR Class 91 – GSR Class 91 or Class J29
GS&WR Class 92 – GSR Class 92 or Class H2
GS&WR Class 101 – GSR Class 101 or Class J15
GS&WR Class 203 – GSR Class 203 or Class H1
GS&WR Class 204 – GSR Class 204 or Class J12
GS&WR Class Sprite – GSR Class Sprite or Classes L4 and L5

;J. A. F. Aspinall

GS&WR Class 52 – GSR Class 52 or Class D17
GS&WR Class 60 – GSR Class 60 or Class D14

;H. A. Ivatt

GS&WR Class 33 – GSR Class 33 or Class F6
GS&WR Class 37 – GSR Class 37 or Class C7
GS&WR Class 201 – GSR Class 201 or Class J11
GS&WR Jumbo – GSR Class Jumbo or Class J13

;R. Coey

GS&WR Class 27 – GSR Class 27 or Class C4
GS&WR Class 211 – GSR Class 211 or Class J3
GS&WR Class 213 – GSR Class 213 or Class I1
GS&WR Class 301 – GSR Class 301 or Class D11
GS&WR Class 305 – GSR Class 305 or Class D12
GS&WR Class 309 – GSR Class 309 or Classes D3 and D10
GS&WR Class 321 – GSR Class 321 or Classes D2, D3, and D4
GS&WR Class 333 – GSR Class 333 or Classes D2, D3, D4, and D4a
GS&WR Class 341 – GSR Class 341 or Class D1
GS&WR Class 351 – GSR Class 351 or Class J9
GS&WR Class 355 – GSR Class 355 or Class K3
GS&WR Class 362 – GSR Class 362 or Class B3 – "Long Toms"
GS&WR Class 368 – GSR Class 368 or Class K4

;R. E. L. Maunsell

GS&WR Class 257 – GSR Class 257 or Class J4
GS&WR Sambo – GSR Class Sambo or Class L2

;E. A. Watson

GS&WR Class 900 – GSR Class 900 or Class A1
GS&WR 400 Class – GSR Class 400 or Classes B2 & B2a

;J. R. Bazin

GS&WR Class 500 – GSR Class 500 or Class B1
Waterford & Limerick Railway

The Waterford and Limerick Railway changed its name to Waterford, Limerick and Western Railway in 1896. It was acquired by the Great Southern and Western Railway in 1900; by which time all but one of its locomotive fleet had been designed by Robinson.

Type	Fleet numbers	Quantity made	Manufacturer	Date made	GSWR Class	GSWR Nos.	GSR Class	Inchicore Class	Withdrawn	Notes
2-2-2	WLR 1 to 6	6	Stothert & Slaughter	1847	—	—	—	—	1860–1862
2-2-2	WLR 7	1	?	?	—	—	—	—	1871	Acquired secondhand from William Dargan in 1853; origin unknown
2-2-2	WLR 8 to 10	3	Bury, Curtis and Kennedy	1848–49	—	—	—	—	1880–88	Acquired secondhand from William Dargan in 1850–52; né Newry, Warrenpoint and Rostrevor Railway 1 to 3
2-4-0	WLR 11 to 12, 17 to 21	7	William Fairbairn & Sons	1853–55	264	264	—	—	1872–1903
0-4-2	WLR 13 to 16	4	Sharp, Stewart & Co.	1853–54	—	—	—	—	1891–96
0-4-2	WLR 4 to 6	3	Sharp, Stewart & Co.	1862–64	223	223	—	—	1890–1901
2-2-2	WLR 28	1	Kitson & Co.	1864	280	280	—	—	1902
0-4-0ST	WLR 29	1	Sharp, Stewart & Co.	1865	228	228	228	—	1925
0-4-2	WLR 3 and 7	2	Kitson & Co.	1876	—	—	—	—	1888–92
2-4-0	WLR 25, 31 to 32, 8, 35 to 39	10	Vulcan Foundry	1874–82	281	277, 281–283, 261, 285–289	—	—	1902–11
0-4-2	WLR 19, 26, 27 and 33	4	Avonside Engine Co.	1876	278	272, 278, 284	—	—	1899–1910
0-6-0T	WLR 34	1	?	?	229	229	—	—	1901	Acquired secondhand in 1878
0-6-0	WLR 40 and 41	2	Vulcan Foundry	1883	230	230–231	—	—	1909–10
0-6-0WT	WLR 42	1	Hawthorns & Co.	1862	232	232	—	—	1901	Acquired secondhand in 1883; ex Neath & Brecon Railway No. 3; né Anglesey Central Railway
0-6-0	WLR 1	1	R. Stephenson & Co.	1879	221	221	—	—	1909	Acquired second-hand in 1884; rebuilt as 0-6-0ST in 1899
4-4-0	WLR 9	1	Dübs & Co.	1886	262	262	—	—	1912
4-4-0	WLR 12	1	Vulcan Foundry	1886	265	265	—	—	1907
0-6-0	WLR 24	1	Dübs & Co.	1886	227	227	—	—	1910

;J. G. Robinson

Type	Fleet numbers	Quantity made	Manufacturer	Date made	GSWR Class	GSWR Nos.	GSR Class	Inchicore Class	Withdrawn	Notes
0-6-0	WLR 5 to 7	3	Limerick Works	1888–93	224	224 to 226	—	—	1905–1909
2-4-0	WLR 10, 22, 20, 23, 43, 44, 47, and 48	8	Dübs & Co.	1889–94	276	263, 275, 273, 276, 290 to 293	276	G3	1907–1959
2-4-2T	WLR 13 and 14	2	Vulcan Foundry	1891	266	226 and 227	267 491	F4 F5	1933–1935	226 sold to CMDR 6 in 1913; to GSR 491 in 1925
0-4-2T	WLR 3	1	Limerick Works	1892	260	260	—	—	1912
0-6-0	WLR 45, 46, 49, and 50	4	Dübs & Co.	1893–95	233	233 to 236	235	J22	1911–1951
0-4-4T	WLR 15	1	Limerick Works	1894	268	268	—	—	1912
0-4-4T	WLR 51 and 52	2	Kitson & Co.	1895	294	294 and 295	295	E2	1910–1954
4-4-2T	WLWR 16 to 18, and 21	4	Kitson & Co.	1896–97	269	269 to 271, 274	269	C5	1949–1957
4-4-0	WLWR 53 to 55	3	Kitson & Co.	1896–97	296	296 to 298	296	D15	1928–1949
0-6-0	WLWR 56 to 58	3	Kitson & Co.	1897	237	237 to 239	222	J25	1934–1951
0-4-4T	WLWR 27	1	Limerick Works	1899	279	279	279	E1	1953
0-6-0	WLWR 2, 4, 11	3	Kitson & Co.	1900	222	222,	222	J25	1929–1950	4 and 11 sold before delivery to MGWR 141 and 142

Dublin and Kingstown Railway

Type	Class lead	Quantity made	Manufacturer	Date made	GSR Class	Inchicore Class	GSR Nos.	Withdrawn	Notes
2-2-0	Vauxhall	3	George Forrester and Company	1834	—	—	—	—	Dublin, Kingstown & Vauxhall - subsequently converted to 2-2-2T
2-2-0	Hibernia	3	Sharp Brothers	1834	—	—	—	1842	Hibernia, Britania, Manchester
2-2-0	Star	1	Horseley Iron Company	1836	—	—	—	—	Star
2-2-0T	Victoria	2	George Forrester and Company	1836	—	—	—	—	Victoria & Comet - first tank locomotives in public service subsequently converted to 2-2-2T
2-2-2T	Princess	5	Grand Canal Street	1841	—	—	—	—	Princess, Belleisle, Shamrock, Erin, Albert
2-2-2T	Burgoyne	4	Grand Canal Street	1845	—	—	—	—	Burgoyne, Cyclops, Vulcan, Jupiter

Dublin and South Eastern Railway (1853–1924)

The Dublin and South Eastern Railway started out in 1846 as the Waterford, Wexford, Wicklow and Dublin Railway Company. In 1853 it was renamed the Dublin and Wicklow Railway Company, and in 1860 it was renamed the Dublin, Wicklow and Wexford Railway Company and on 31 December 1906 it was renamed again as the Dublin and South Eastern.
; Frederick Pemberton
; S. W. Haughton
; William Meikle

Type	Fleet numbers	Quantity made	Manufacturer	Date made	GSR Class	Inchicore Class	GSR Nos.	Withdrawn	Notes
2-2-2WT	D&WR 1 and 2	2	William Fairbairn & Sons	1853	—	—	—	1892–1901	No. 2 renumbered 45 in 1885
2-4-0	D&WR 3	1	William Fairbairn & Sons	1853	—	—	—	1898	Rebuilt as 2-4-0T in 1884
2-2-2T	D&WR 4 and 5	2	William Fairbairn & Sons	1853	—	—	—	1872–1900	No. 5 renumbered 5A in 1897
2-2-2ST	D&WR 6, 7, 10 and 11	4	Vulcan Foundry	1854–55	—	—	—	1902–03	Renumbered 6A, 7A, 10A, 11 between 1894 and 1896
2-4-0ST	D&WR 8 and 9	2	Vulcan Foundry	1855	—	—	—	1890–1903	Rebuilt as 2-4-0T
2-4-0	DWWR 12 to 14	3	William Fairbairn & Sons	1860	—	—	—	1902–23
0-4-2	DWWR 15 and 16	2	Sharp, Stewart & Co.	1860	—	—	—	1922–25
0-4-2	DWWR 17 to 23	7	Sharp, Stewart & Co.	1864	—	—	—	1899–1925	No. 21 rebuilt as 0-4-2T in 1904

;J. Wakefield

Type	Fleet numbers	Quantity made	Manufacturer	Date made	GSR Class	Inchicore Class	GSR Nos.	Withdrawn	Notes
2-4-0	DWWR 24 to 26, 32, and 33	5	Sharp, Stewart & Co.	1864–73	422	G7	422	1928	No. 26 rebuilt as 2-4-0T in 1900
2-2-2WT	DWWR Ariel et al.	7	Neilson & Co.	1865	—	—	—	1886–94	Ariel, Elfin, Kate Kearney, Kelpie, Oberon, Titania, Banshee. Four sold to contractors
2-2-2WT	DWWR 27 and 28	2	Grand Canal Street	1869	—	—	—	1887
2-2-2WT	DWWR 29 to 31, 34 to 36, 4, 40 and 27	9	Grand Canal Street Neilson & Co.	1871–1887	—	—	—	1902–23	4 renumbered 30 in 1902
0-4-2	DWWR 37 to 39	3	Sharp, Stewart & Co.	1876	—	—	—	1923–25
2-4-0WT	DWWR 41	1	Grand Canal Street	1882	—	—	—	1925	rebuilt as 2-4-0T in 1903

;W. Wakefield

Type	Fleet numbers	Quantity made	Manufacturer	Date made	GSR Class	Inchicore Class	GSR Nos.	Withdrawn	Notes
2-4-0T	DWWR 42 to 44	3	Beyer, Peacock & Co.	1883	—	—	—	1925
2-4-0T	DWWR 1, 2, 6, 7, 9, 10, 28, 45 to 47, and 49	11	Grand Canal Street	1885–96	423	G1	423–426	1925–55	10, 28, 45, 46 rebuilt as 2-4-2T between 1900 and 1910
2-4-2T	DWWR 3, 11	2	Grand Canal Street	1896–98	428,430	F2	428	1953
2-4-2T	DWWR 10, 28, 45, 46				428	F2	429–433	1925–57	rebuilt from 2-4-0T
0-6-0	DWWR 50 and 51	2	Vulcan Foundry	1891	447	J7	447	1925–30
4-4-2T	DWWR 52 to 54	3	Sharp, Stewart & Co.	1893	458	C3	458–460	1953–1960

;T. Grierson

Type	Fleet numbers	Quantity made	Manufacturer	Date made	GSR Class	Inchicore Class	GSR Nos.	Withdrawn	Notes
4-4-0	DWWR 55 to 58	4	Vulcan Foundry	1895–96	450	D9	450–453	1929–40

;R. Cronin

Type	Fleet numbers	Quantity made	Manufacturer	Date made	GSR Class	Inchicore Class	GSR Nos.	Withdrawn	Notes
0-6-2T	DWWR 4 and 5	2	Kitson & Co.	1897	448	J1	448–449	1940–50	rebuilt as 0-6-0 in 1908
0-6-0	DWWR 17	1	Grand Canal Street	1899	440	J20	440	1929
0-4-2	DWWR 48	1	Grand Canal Street	1899	—	—	—	1913
0-6-0	DWWR 36	1	Grand Canal Street	1900	441	J14	441	1934
2-4-2T	DWWR 8, 12, 27, 29, 30, 40	6	Grand Canal Street	1901–09	434	F1	434–439	1950–53
2-4-2T	DWWR 59 to 64	6	Crewe Works	1883–96	427		427	1916–36	ex London and North Western Railway 4-ft 6-in Tanks, acquired 1902 and regauged
0-6-0	DWWR 13, 14, 18, 65, and 66	5	Grand Canal Street Beyer, Peacock & Co.	1905	442	J8	442–446	1930–1957
4-4-0	DWWR 67 and 68	2	Beyer, Peacock & Co.	1905	454	D8	454	1925–1949
Railmotor	DWWR 1 and 2	2	Manning Wardle	1906	—	—	—		Rebuilt 1907 as separate 0-4-0T and coach; locos numbered 69–70
0-4-0T	DSER 69 and 70	2	Manning Wardle		Imp	M1	Elf Imp	1928–31	Rebuilt from railmotors 1 and 2; later Class M2
4-4-2T	DSER 20, 34, and 35	3	Grand Canal Street Beyer, Peacock & Co.	1911–1924	455	C2	455–457	1955–59

;G. H. Wild

Type	Fleet numbers	Quantity made	Manufacturer	Date made	GSR Class	Inchicore Class	GSR Nos.	Withdrawn	Notes
2-6-0	DSER 15 and 16	2	Beyer, Peacock & Co.	1922	461	K2	461–462	1963–65

Cork, Bandon and South Coast Railway (to 1924)

Minor broad gauge railways

Waterford and Tramore Railway

WTR Nos. 1 and 2 – GSR Class 483 or N1
WTR No. 3 – GSR Class 485 or L3
WTR No. 4 – GSR Class 486 or L1
Cork and Macroom Direct Railway
CMDR Nos. 2–4 – GSR Class 487 or G5
CMDR No. 5 – GSR Class 490 or I2
CMDR No. 6 – GSR Class 491 or F5
Timoleague and Courtmacsherry Light Railway
TCLR Argadeen – GSR Class K5
TCLR St. Molaga – GSR Class L6
Narrow gauge railways

Cavan and Leitrim Railway (to 1924)

CLR 1 to 8 — GSR Class 1L or Class DN2
CLR 9 – GSR Class 9L or HN1
Cork, Blackrock and Passage Railway (to 1924)
CBPR 1 to 3 – Broad gauge 2-2-2WT
CBPR 4 to 7 – GSR Class 4P or Class FN1, later Class 10L
Cork and Muskerry Light Railway (to 1924)
CMLR 1 to 3 – GSR Class 1K or Class DN6
CMLR 4 and 5 – GSR Class 5K or Class EN1, later Class 6S
CMLR 7 – GSR Class 7K or DN3
CMLR 8 – GSR Class 8K or DN7
Schull and Skibbereen Railway (to 1924)
SSLR 1 to 3 – GSR Class 2S or Class MN1
SSLR 4 – GSR Class 4S or Class DN5
SSLR 1 and 3 – GSR Class 1S or Class DN4
Tralee and Dingle Light Railway (to 1924)
TDLR 1 to 3, 6, and 8 – GSR Class 1T or Class KN2
TDLR 5 – GSR Class 5T or Class PN2 Currently preserved
TDLR 7 and 8 – GSR Class 4T or Class KN1
West Clare Railway (to 1924)
WCR 5 to 7 – GSR Class 5C or Class IN1. No 5 is preserved and operational at the West Clare preserved Railway
WCR 2, 4, 8, and 9 – GSR Class 2C or Class PN1
WCR 10 – GSR Class 10C or Class BN1
WCR 11 – GSR Class 11C or Class BN2
WCR 1 – GSR Class 1C or Class BN3
WCR 3 and 7 – GSR Class 3C or Class BN4
Bord Na Mona
BNM 1/3 WN 2263-2265 Originally numbered 1-3 Renumbered to LM43/45. Extensively upgraded and Modified E Class locomotives from WW1. All 3 survive in Preservation. 1 is now No 7 on the Talyllyn. No 2 resides operational on the Stradbally Woodland Railway. No 3 "Shane" now preserved and awaiting overhaul on the Giants Causeway Line.
Great Southern Railways (1925–1944) and Córas Iompair Éireann (from 1945)

The GSR introduced just under sixty steam locomotives between 1925 and 1944, whilst CIÉ introduced one, the experimental Bulleid turf burner. CIÉ did however acquire 83 steam locomotives, which was precisely half of the Great Northern Railway stock, when that company was split between CIÉ and the Ulster Transport Authority after 30 September 1958.
;J. R. Bazin

GSR Class 372 – also Class K1: Numbers 372–391
GSR Class 280 – also Class M1 : numbers 280–281
GSR Class 700 – also Class J15a: Numbers 700–704
GSR Class 850 – also Class P1: Number 850

;W. H. Morton

GSR Class 393 – also Class K1a: Numbers 393–398
GSR Class 495 – also Class M3: Number 495

;A. W. Harty

GSR Class 670 – also Class I3: Numbers 670–674
GSR Class 710 – also Class J15b: Numbers 710–719

;Edgar Craven Bredin

GSR Class 800 – also Class B1a: Numbers 800–802

;M. J. Ginnetty
;C. F. Tyndall
;O. V. S Bulleid

CIÉ No.CC1 Turf-burning locomotive
Preserved locomotives

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Steam locomotives of Ireland

Northern Ireland

Belfast and County Down Railway

Belfast and Northern Counties Railway (1848–1903) & Northern Counties Committee (1903–1949)

Belfast and Northern Counties Railway (1860–1903)

Northern Counties Committee (1903–1949)

Cross-Border Lines

West Donegal Railway

Dundalk, Newry and Greenore Railway

Great Northern Railway

Londonderry and Lough Swilly Railway

Sligo, Leitrim and Northern Counties Railway

Irish Free State and Republic of Ireland

Midland Great Western Railway (1847–1924)

Great Southern and Western Railway (1845–1924)

Waterford & Limerick Railway

Dublin and Kingstown Railway

Dublin and South Eastern Railway (1853–1924)

Cork, Bandon and South Coast Railway (to 1924)

Minor broad gauge railways

Waterford and Tramore Railway

Cork and Macroom Direct Railway

Timoleague and Courtmacsherry Light Railway

Narrow gauge railways

Cavan and Leitrim Railway (to 1924)

Cork, Blackrock and Passage Railway (to 1924)

Cork and Muskerry Light Railway (to 1924)

Schull and Skibbereen Railway (to 1924)

Tralee and Dingle Light Railway (to 1924)

West Clare Railway (to 1924)

Bord Na Mona

Great Southern Railways (1925–1944) and Córas Iompair Éireann (from 1945)

Preserved locomotives