1851 census HO107 1568 folio 102
22 Prospect Row Newington
John L Purslove 22 Head Married Boot and shoe maker Walworth Surrey
Eleanor Purslove 20 Wife Married Clandon Surrey
Clarinda Purslove 3 months Daughter Walworth Surrey, Married to Charles Bird,

one of there sons, my Grand Father, Herbert Edward H BIRD, his son Francis James c BIRD ( NZ)

Clarinda Purslove 49 Mother Widow Ockham Surrey
1841 census HO107 1063/7 folio 37
Prospect Row Newington
John Peacock 40 Cordwainer not born Surrey
John Peacock 15 not born Surrey
Clarender Peacock 40 not born Surrey
Jane Peacock 65 not born Surrey
Caroline Papps 9 not born Surrey
Adult ages on the 1841 census, those over 15, usually rounded down to the nearest 5.
The error of Peacock for Purslove is not a mistake in the index, it appears on the census page itself.
Regards
Valda