Lived in St. Paul in the 1910 census as Martin Mousso. His occupation was city park manager.
Registered for the draft as Martin Mitchell Mousso on September 12, 1918. He and his wife Emma lived at 1400 Albemarle St., St. Paul. He was an auto mechanic. He was described as short and of medium build with blue eyes and brown hair.
In the 1920 census, as Martin Mousso, he and his family live at 1400 Albemarle Street in St. Paul. Martin is an auto mechanic in a machine shop.