This appears to be your William.
Born William Henry Webb 1853. Registered at Dursley, 6a, 155, December 1853
1871 census finds him in Lincolnshire as a Foot Servant to the Rev'd Mirehouse
at Back Street, Colsterworth, Limcolnshire. He gave his place of birth as Wotton-under-Edge for some reason. why not Woodford, Stone, Newport or Berkeley. Throughout the other census same place of birth.
In 1875 his married a local girl called Mary Elizabeth Wilkinson and the marriage was registered at Grantham, 7a, 794, September 1875.
In 1881 he is now living in Bristol at 61 Albert Street. and gives his full name as William Henry c 1853 occupation Shopman
His wife Mary Elizabeth, c 1857 from Colsterworth
children
Emily L, c 1876, Colsterworth
Albert H, c, 1880, Bristol
William M, C 1881 (no age shown) Bristol
1891 census now living at 118 Ashley Vale or Ash Vale, Bristol
William Henry 1854, unable to make out what his occupation is. looks like Colour Oil and Colormans assistant
Mary Elizabeth, wife, c 1857
Emily Louisa, 1876, Milliners Assistant born in Colsterworth
Albert Henry, 1880, born at St Paul's Bristol
William Mannie, 1881 born same place
Arthur Ernest, 1885, born same place
Florence Elsie, 1888, born same place
In 1901 they are now living at 118 Lower Cheltenham Place, Bristol
Occupation appears to be the same
His wife is still there and the only children at home at the time of the census were. William M, Clerk, Arthur. E., Clerk and Florence E
regards
Alf