He was the first captain of the rugby club of the UA Gaillac of 1900–1901. More precisely, he was the captain of the Glaïeuls and Stade Gaillacois .
Journalist and local elected official
In 1911, he started with the Éclaireur de l'Est and quickly became editor and CEO. He was elected to the city council and became mayor of Reims in 1925 until he resigned in 1942. He was president of the :fr:Association des maires de France|Association des maires de France in 1934. He was elected General Councilor of the 3rd canton in 1935 and president of the :fr:Conseil général de la Marne|General Council of the Marne in 1937. He is a member of the Masonic lodge of Reims La Sincérité, and was one of many elected Freemasons of the Marne.
Political career
In 1926, Paul Marchandeau began a political career on the national level. Elected Deputy of Marne, he has first a number of terms as Undersecretary of State.
Undersecretary of the Interior of 21 to 25 February 1930 in the :fr:Gouvernement Camille Chautemps |government of Chautemps
Undersecretary to the Presidency of the Council of 13 December 1930 to 22 January 1931 in the :fr:Gouvernement Théodore Steeg|Government of Théodore Steeg
Undersecretary to the Presidency of the Council of 3 June to 14 December 1932 in the :fr:Gouvernement Édouard Herriot |Government of Edouard Herriot
Budget Minister of 23 November 1933 to 27 January 1934 in the :fr:Gouvernement Camille Chautemps |Government of Chautemps
Minister of Finance from 18 January to 10 March 1938 in the :fr:Gouvernement Camille Chautemps |Government of Chautemps
Minister of Finance from 10 to 1 April November 1938 in the :fr:Gouvernement Édouard Daladier |Government of Édouard Daladier
Minister of Justice 1 November 1938 to 1 September 1939 in the :fr:Gouvernement Édouard Daladier |Government of Édouard Daladier and :fr:Gouvernement Édouard Daladier |Government of Édouard Daladier
As Keeper of the Seals, he was the author of the decree of 21 April 1939 amending the Law on the Freedom of the Press of 29 July 1881 by providing prosecution "when defamation or insult committed against a group of persons, by their origin, race or religion, will have been designed to arouse hatred among citizens or residents". This law was repealed by the law of the Vichy government of 16 August 1940. On 10 July 1940, the vote in favor of the draft law granting full powers to Marshal Philippe Pétain. He continued his political career under the Vichy regime during World War II. He resigned and retired from political life in 1943. He was cremated at Père Lachaise Cemetery and his ashes were brought back to be buried in the South :fr:Cimetières de Reims|Cemetery of Reims where you can see his bronze medallion by Leon Margotin, dated 1930.