The Teesdale Mercury 10/07/1918 carries two "In Memoriam" notices:
Chapman – In loving memory of Lance-Corporal William Chapman, 1-6th Durham Light Infantry, son of Mr. and Mrs. A. Chapman, Bridgegate, Barnard Castle, who was killed in France July 9th 1917. Ever remembered by his father, mother, sisters and brother. "Father, in Thy gracious keeping, Leave we now our loved one sleeping."
Chapman: In loving remembrance of Lance-Corporal Wm. Chapman, of the 6th Durham Light Infantry, of Low Startforth, Barnard Castle, who was killed in action in France on July 9th 1917. Ever remembered by his loving wife and little son. "Thy purpose Lord we cannot see, But all is well that is done by Thee."
His brother Thomas also died during WW1.
Acknowledgements: Catherine Ryan
William Chapman is remembered at Barnard Castle on B135.10, B135.12 and in Startforth on S150.01 and S150.02 and in the D.L.I. Book of Reembrance page 177