Francis William Hart
born April 1873–April 1874
in Blaisdon, Gloucestershire
died very roughly 1943
Seems to be the relative remembered by Royston Hart:
Sergeant. Jolly man—big shock of grey hair. Had an Old English Sheepdog called Bunce. Lived at Armscroft Road, Gloucester. Had two daughters, one called Gwen.
A Francis William Hart was a witness to Thomas and Annie Maria's marriage—the same probably.
Not with parents in 1891 census.
1881 census: living in Blaisdon with parents, brothers, and lodger (William Ferris, 19, groom). Age is 7, and place of birth is Blaisdon.