The series documents in photographic form the people, places, and activities of the Quebec YMCA from the 1870s until the 1990s.
Subjects photographed include staff, buildings, camp activities, soldiers at the YMCA during the Second World War, social events such as dancing, theatre, banquets, games, sports, general assemblies, and awards ceremonies. There are also many photographs of the performances of the Quebec YMCA theatre group "La Patère", mostly from the early 1980s.
The total number of photographs also includes 5 photo albums, which feature photographs of YMCA camps and activities, promotional pamphlets and cards, and small memorabilia such as medals and patches, with approximate dates ranging from the 1920s to the 1980s.