There is a Fergus Strong in the Battleford area on census but it shows he was born in Ontario. A birth for Fergus Strong was registered for 17 Oct 1888 in Sarnia Township, Lambton County, Ontario with parents Thomas Strong and Frances Graham.
In 1911 Fergus is in Battleford area as a boarder and in 1921 he is with his parents ( aged 32) in Turtle River area North Battleford. Saskatchewan Residents index shows he married in 1921 but no bride given in index. He remains in the area as he is shown on Voters lists.
Doesn't sound like your Fergus.