I'm going by what Jane deduced in her first post.
Here's hoping the following will give you something to work on!
1851 census, Thames Ditton
H0107/1604/73
Charles Long age 29 born Thames Ditton
Mary Ann Long age 27 b Thames Ditton
Ann Elizabeth Long age 5 b Thames Ditton
Julia Long age 1 b Thames Ditton
I feel the following may be related:
HO107/1604/76
Edward Long age 38 b Thames Ditton
Fanny Long age 36 b Thames Ditton
Edward Long age 14 b Thames Ditton
Charles Long age 12 b Thames Ditton
Elizabeth Long age 9 b Thames Ditton
James Long age 7 b Thames Ditton
William Long age 5 b Thames Ditton
Ann Long age 3 b Thames Ditton
Mary Ann age 1 b Thames Ditton
Charles Long buried 1858 Thames Ditton age 37
James Long buried 18 April 1830 age 47 Thames Ditton
James Long m Elizabeth Adams Long Ditton 28 July 1805 by banns both of this parish
Plenty of leads there!

Nell