[3] Together with Georges Caizac, Georges Garnier, and Lucien Huteau, he was a member of the small group of middle school students from the Parisian Lycée Chaptal who, in early 1893, founded a club called created Etoile Sportive Parisiennne, one of the first football clubs in the French capital, which set up on the pitch at the Château de Madrid in the Bois de Boulogne.
[5] At the start of the 1894–95 season, Neuilly notably met Standard AC on three consecutive Sundays on the pitch of the Seine Velodrome, conceding between 12 and 23 goals each time.
[6] Two months later, in March, Neuilly was one of the eight teams that contested the 1895 USFSA Championship, beating CP Asnières 2–1 in the quarter-finals after extra-time; however, the Asnières club complained to the USFSA commission, stating that the winning goal had been scored "due to darkness", but Caizac, Neuilly's secretary and member of that commission, intervened in favour of his club and the result was thus confirmed.
[8] On 4 April 1897, Duhamel started for Paris Star as a midfielder in the semifinals of the inaugural edition of the Coupe Manier, which ended in an 8–1 loss to the eventual champions Club Français.
[3] On 16 April 1904, Duhamel, along with the likes of Philip Tomalin, Alfred Tunmer, Ernest Weber, and Jack Wood, were members of the reception committee that welcomed Corinthians to Paris ahead of its match against a French national team.