Ratoath was founded in 1903, however in this period it was solely a hurling. Ratoath won a Senior Hurling League title in 1912 and Junior Hurling Championships in 1929, '31, '40 and '57. For much of the 1950s, Ratoath amalgamated with surrounding clubs and won two Meath Senior Hurling Championships known as St. Patrick's in 1953 and '54. The 1960s were a golden period for Ratoath hurling. In 1960, Ratoath contested their first S.H.C. final, beaten by Trim on the day, however in 1963 they defeated St. Peter's Dunboyne to claim their first and only S.H.C. title. Down by 11 points during the second half, Ratoath battled to emerge victorious by a scoreline of 9–3 to 6–11. Ratoath went on to contest three more S.H.C. finals but lost out to Athboy and Kilmessan. In 1981 and '83, Ratoath contested I.H.C. finals but were defeated by Kilskyre and Dunshaughlin respectively. Ratoath went on to annexe another J.H.C. title in 1989, beating Kilmessan in the final. Ratoath won the 2016 Meath Intermediate hurling championship by beating Kilskyre/Moylagh in the final. This win meant that they were Meath's representatives in that year's Leinster Junior Club Hurling Championship where they defeated Carlow TownHurling Club 2-20 to 2-9, Clodiagh Gaels 1-13 to 2-8 and Rosenallis 1-20 to 1-16 after extra time to reach the final. They met Mooncoin in the Leinster final but were defeated 1-16 to 0-12. Mooncoin reached the 2016–17 All-Ireland Junior Club Hurling Championship final and were defeated by Mayfield In their first season back in the Senior hurling championship, Ratoath made the quarter finals by beating Longwood, Clann na nGael and Trim in the group stages. They were beaten in the quarter final by eventual runners up, Kildalkey. The football section of Ratoath was founded in 1956 and they took part in the Meath Junior Football Championship. A J.F.C. wasn't attained until 1970 however, when they beat Navan O'Mahonys second string in the final. J.F.C. finals were reached 1992 and 2003, losing to Gaeil Colmcille's second string and Wolfe Tones respectively, Railyard, Castledermot and Athlone to win the 2015Leinster Intermediate Club Football Championship and bring the Seán Eiffe trophy back to Seán Eiffe Park. Ratoath were defeated by St. Mary's Cahirciveen in the All-Ireland Intermediate Club Football Championship who went on to win the final. After being beaten at the quarter final stage in the Senior Football Championship in 2017 and 2018, Ratoath, managed by Davy Byrne, went on to win their first ever senior football title in 2019 by beating Summerhill 3-15 to 2-13 in the final. Ratoath forward Joey Wallace was awarded the man of the match. Joined with Donaghmore, Meath Minor Football Championship honours were claimed in 1977 and '79 and in 1987 another title at the same level was gained, this time with St. Martin's. In 2011 Ratoath won their first ever M.F.C. beating Moynalvey in the final, and they successfully defended their title a year later this time against Donaghmore/Ashbourne. They regained the title in 2017 by beating Na Fianna in the final. U-21 Football Championship titles were garnered in 2013 and '14 with wins over Donaghmore/Ashbourne and Navan O'Mahonys respectively. Their third U-21 Football Championship was added in 2019, beating St. Peter's, Dunboyne 1-15 to 0-8 in the final. Ratoath won their first U-21 Hurling Championship title in 2017 by beating Na Fianna 1–11 to 1–9 in the final.
