Son of Robert and Elizabeth Kidd, who both died when he was a child. The 1911 census lists Sidney as living at the Bluebell Inn with his grandparents Matthew and Annie Coltman, who were the proprietors. He left behind a twin sister, Nora Kidd.
Teesdale Mercury 27.12.1916 - Page 5: Column 2
Private Sid Kidd, Middleton, was killed in action - now been officially confirmed