In December 1932, Andrej Kučera with Juraj Rošo and Pavol Sabo founded the Canadian Slovak League (CSL) in Winnipeg. This organization was to focus on the needs of Slovak Canadians. Andrej Kučera was the president of the CSL for 25 years. In 1957, he was named Honourable President for Life.
On December 26, 1974, Andrej Kučera passed away, leaving behind his wife Maria. They had two sons and a daughter: Karol, Kamil and Valerie Hačko (née Kučera). He also had a daughter and a son-in-law named Mary and Tony and two grandchildren: Mary Ann Doucette (née Hačko) and Anthony (Tony) J. Hačko. At his funeral, J. Metchler was a pallbearer.