The family home was Bath Cottage, 127, Princes Street, Helensburgh. The son of the late Charles Wilson and Jeanie Wilson
Siblings: John had five brothers, Charles, Colin, David, William and Robert, and one sister, Elizabeth. Colin served as a sergeant in the Argyll and Sutherland Highlanders and was badly wounded. David served in the Argyll and Sutherland Highlanders and died in July 1918. Robert served as a Lieutenant in the Rifle Brigade and became a prisoner of war in Germany.