Lawrence was born in Bramley and had a brother and three sisters, he married Lily Mumford on 1st August 1910 at Queensbury parish church. Both the Sykes and Mumford families were living in the village; Lawrence lived at 2 Lyons Street and his father was a gardener whilst Lily lived at 2 Scarlet Heights, her father was a butler.
In 1911 Lawrence and Lily were living at 36 Chapel Lane, Queensbury, his occupation was a grocery manager. In September 1913 they had a child, Lawrence Mumford Sykes.
Service records show that Lawrence enlisted on 6th December 1915 and at this time the family were living at 9 Wellington Street, Queensbury. He was placed onto reserve and was called up for service on 30th January 1917. He disembarked in France on 13th December 1917 joining the 13th Battalion. Durham Light Infantry.
Lawrence was killed in action on 5th October 1918 and is buried at BEAUREVOIR BRITISH CEMETERY (D. 14), he was aged 32. The inscription on his headstone reads: “I Am the Resurrection, And The Life”. This was chosen by Lily who was now living at 4, Whinney Hill, Queensbury.
Lily is believed to have died in December 1963 and their son Lawrence Mumford Sykes died in October 1992 aged 79.