Benjamin was born in Wolverhampton in 1892, the son of Benjamin Porter. By 1911, he was a boarder at the home of Herbert Best, at 38 Graiseley Street, Wolverhampton. Benjamin was working for a lock smith as a tin-man, making tin cases for small locks.
Benjamin enlisted as a Driver in the 59th Field Company of the Royal Engineers (service number 24659). He died of wounds at Bailleul in France on 4 May 1915. An article about him appeared in the Express & Star on 13 June 1915. He is buried at Bailleul Communal Cemetery Extension, Nord.