The family home was at 41 Glenfield Street, Dennistoun.
The son of the late Donald Dewar, (gardener) and Elizabeth Dewar (nee Hine).
Siblings: He had a brother, Donald, serving as 2nd Lieutenant in the 6th Rifle Brigade, a sister, Annie, (a shop assistant) and a younger brother, Neil who did not serve. There is also mention that he was the second son, but no trace of an older brother could be found.