Harry was born in Wolverhampton in about 1889. In 1891, he was living at 2 Little Clothier Street, Willenhall, with his parents, Charles and Thirza Cooper, and siblings Horace and Maud. Harry was baptised at Wednesfield on 16 November 1902. By 1911, he was living with his parents at Deans Road, Heath Town, and he had become a warehouse man. His siblings Horace, Florence and Job were also living there. In 1914, Harry married Ida M. Deakin, but they do not appear to have had any children.
On 5 September 1914, Harry’s name was listed in the Midland Counties Express among those men “Willing to Join” the Special Service Companies. His address was given as 199 Wolverhampton Road, Heath Town. Harry joined the Royal Horse Artillery and Royal Field Artillery (number 91041), becoming a Bombardier. He first served in Egypt on 21 July 1915. He died in the No 32 General Hospital, Basra, Mesopotamia on 2 May 1916. He is commemorated at Basra War Cemetery, as well as at the war memorial in Heath Park.