According to the 1901 census (as of 31 March 1901) Colin Nevils was married and born on 25 December 1850. He was a miller who earned $450 in the last 12 months. He was born in Ontario, Canada. His ethnic origin was Scotch and his religion was Presbyterian. He could read, write and speak English. His mother tongue was English. His census place was the village of Penetanguishene, Simcoe East, Ontario, Canada.
Colin married Catherine Buie, daughter of Angus Buie and Marion Sarah Dallas. (Catherine Buie was born on 17 Sep 1853 in Duntroon, Nottawasaga, Ontario and died about Jul 1925.)