The brother of James Marr, Archibald was born in Wolverhampton in 1890. By 1911, he was living at 16 Paget Street, Wolverhampton, with his parents, James Dunlop and Martha Marr, brother William, sister and brother-in-law Jessie and Archibald Owen Haskins, and niece Norah Haskins. By this date, Archibald was an elementary school teacher for Staffordshire County Council.
Archibald enlisted with the 6th Battalion of the South Staffordshire Regiment (number 2822). He first serviced in France from 5 March 1915, but was killed in action on 13 October 1915. He is commemorated on the Loos Memorial, and joins his brother on the Roll of Honour at the Lady Chapel in St Peter’s Church, Wolverhampton. he also appears on the war memorial at St Michael and All Angels Church, Tettenhall.