Hi do you have Eliza in 1841 census, were her parents John & Sarah Peacock nee Taylor who married 31st March 1828 St Andrew, Clewer a possible for John in 1841:-
John Peacock 40
William 6
James 3
Mary Taylor 50
Residing West End, Warfield, Easthampstead
Census ref HO107/31/ 5/4 / 3
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