In 1921, he was elected to the City Council of Montreal for the district of Villeray. He was re-elected in 1924, 1926 and 1928. He played a role in the development of Jarry Park in 1925.
Jarry died in office in Montreal on January 23, 1930.
From 1924 until his death, Jarry was a Member of Montreal"s Executive Committee.