1841 George is down as GROVER Curtis, image is George1841 Census
Little Somerford, Wiltshire
HO107/1181/33/Little Somerford
George CURTIS, 30, Ag Lab
Fanny Curtis, 7
Elizabeth Curtis, 5
Next Door;
Mark Curtis, 25, Ag Lab
Thos Curtis, 23, Ag Lab
Looks to me that he was Widowed by 1841 Census.
Christenings, Little Somerford to GEORGE/SARAH Curtis;
FANNY, 20 April 1834
ELIZABETH, 20 March 1836
EMMA, 8 Oct 1837^^^^ (does not appear 1841 Census, maybe with Grandparents)
(Source Familysearch.Org)
Emma appears 1851 with George/Honor age 13
1851 Census Elizabeth and Fanny are easy to find and are Servants.
EDIT, maybe with Uncle/Aunt and Family?:
1841 Census
Charlton, Wiltshire;
Henery Curtis, 45
Hannah Curtis, 35
Wm Curtis, 7
Lucinda Curtis, 13
Elizabeth Curtis, 7
EMMA Curtis, 2***