Further digging to find Frances Moore nee Moore b circa 1825 shows that she was born in Ulverstone:
1891
Conchan 18/2
76 Bucks Rd
Frances Moore head wid 65 living on own means b Ulverstone Lancs
so this looks likely to be Frances in 1841:
1841
Lancashire, Ulverstone, Ulverstone 4/2
Brook Street
Mary Butcher 64 ind Y
Mary Moore 45 ind Y
Frances Moore 15 ind Y
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Fanny Pedigree
Female
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Event(s):
Birth:
Christening: 17 APR 1825 Ulverston, Lancashire, England
Death:
Burial:
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Parents:
Father: John Moore Family
Mother: Eleanor
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Messages:
Extracted birth or christening record for the locality listed in the record. The source records are usually arranged chronologically by the birth or christening date.
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Eleanor Pedigree
Female
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Event(s):
Birth:
Christening: 04 JAN 1835 Ulverston, Lancashire, England
Death:
Burial:
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Parents:
Father: John Moore Family
Mother: Eleanor
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Messages:
Extracted birth or christening record for the locality listed in the record. The source records are usually arranged chronologically by the birth or christening date.
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I can't find Frances's sister, Eleanor b 1835 in 1841, nor her parents if they were alive.
Scrap what I said about the Fanny Moore b 1824, daughter of Thomas Moore and Mary Ann Nicholls.
Jean C