McGarr's migrating from Canada to Plattsburgh, NY

Hello, I am not sure if we are related or not, but my grandparents were from Quebec. My grandfather's name was George Henry, he married Mabel Landry, and their children were all boys, Their children's names were George William (my dad), and my uncle's were Donald, Ross, Francis (Franny), Huey, and Malcolm (Mac). Uncle Huey was injured in the military, and had a wooden leg. All are deceased.

My grandparent's had migrated from Canada to upstate New York (Plattsburgh). My dad married Marie (Bova), and uncles Donald (married Faye), Ross (married Gloria), Franny (married Sylvia), Huey and Malcolm never married.