He was the husband of Isabella Hindmarsh, of 65, Oswin Ave, Forest Hall.
Morpeth Herald 18/05/1917 carries a brief obituary:
Mrs J. [sic] Hindmarsh, 65 Oswin Avenue, Forest Hall, has been informed that her husband, Private James Hindmarsh, reported missing on July 1st, is now presumed killed.
James Hindmarsh is remembered at Longbenton on L25.02