Hi pam4mat
Dont know wether this entry from the 1871 Sussex Census will help your search:-
RG10/ 1076/ Folio 115/ Page 354 - 26 Nelson Row, Brighton, Sussex
1871 England Census
Name Age in 1871 Birthplace Relationship Civil Parish County/Island
Elizabeth Boon 7 Brighton, Sussex, England Daughter Brighton Sussex
Ellen Boon 6 months Brighton, Sussex, England Daughter Brighton Sussex
Emma Boon 5 Brighton, Sussex, England Daughter Brighton Sussex
Harriet Boon 36 Brighton, Sussex, England Wife Brighton Sussex
John Boon 38 Brighton, Sussex, England Head Brighton Sussex
John Boon 11 Brighton, Sussex, England Son Brighton Sussex
Mary Boon 3 Brighton, Sussex, England Daughter Brighton Sussex
Thomas Boon 2 Brighton, Sussex, England Son Brighton Sussex
William Boon 9 Brighton, Sussex, England Son Brighton Sussex
Occupation of Head of Household is Painter
Chris in 1066Land