Evan was born in Wolverhampton in 1896, the son of Evan and Lucy Ann Evans. In 1901 they were at 220 Lea Road, In 1911 they were living at 1 Burleigh Road, Wolverhampton, together with Evan’s siblings Eunice, Charlie, Kathleen and George Llewellyn. Evan was a telegraph messenger student, working for the Wolverhampton Post Office.
Evan enlisted with the London Regiment (Post Office Rifles), and became a Lance-Corporal (number 3419). He first served in France on 18 August 1915. He was attached to a bombing party and, according to an article in the Express & Star dated 19 May 1917, “was conspicuous for his many acts of bravery and devotion to duty. In July 1916, his bravery in the field earned him the Military Medal. He was later wounded, and died in hospital on 24 September 1916. He is buried at the Abbeville Communal Cemetery Extension on the Somme. He is also remembered on the roll of honour of the Wolverhampton Higher Grade School, which he presumably attended.