Mayne was born in Wexford, Ireland. Son of Robert Mayne, commercial traveller, and Minnie Todd Mayne, of Uplands, Walsingham Road. Older brother of Evallane Buckley and Robert John Buckley.

​

Mayne was born on 03/09/1898, and attended the School from 1908-1909. He served as a 2nd Lieutenant in the Army, with the King's Own Yorkshire Light Infantry 2nd/5th att. 7th Bn.. Mayne sadly lost his life on 30/11/1917, as a result of the War.

Mayne is remembered on Cambrai Memorial, Louverval, France, Panel 8.