I wonder if this is far-fetched.
Birth Jun 1896 Bristol 6a 13
Elsie Clara Smart
1901 censusRG13/2400 11 13 & 14
17 Sussex PlaceHenry Smart, head, 44, Boot Machinist, b. Gloucester
Clara, wife, 44, b. Bristol Charley, son, 21, Box Maker (Cardboard), b. do.
Florence, dau, 19, Tobacco Factory Hand, b. do.
George, son, 16, Butcher's assistant, b. do.
Thomas, son, 12, b. do.
Fred, son, 10, b. do.
Elsie, dau, 5, b. do.+ 2 visitors
Maybe Cornelius married (or not) Clara later in life? (There's a possible death for Henry age 50 in 1907)
I can't see him at all in 1891 and 1901 but notice that he was in the Army in 1881. Maybe he was abroad, still in the army?