I've just read your message, Ewan. The info I'd prepared earlier (below) is safe to post on here because it's from so long ago, but I respect your wish not to put anything more recent on the board.
I'll be happy to look over your information and respond by email.
My address is:
faircork (hyphen) tree (at) yahoo (dot) co (dot) uk
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This is what I did earlier:
I've done a little digging into the early years of William Henry Cox b circa 1840. I'm pretty sure that this is the right one, unless there were two William H Coxes who were jewellers born in Birmingham circa 1840.
His parents were Henry Cox and Esther nee Finney. Esther was born in Irton Wood, Derby, and this is the feature which ties together the 41, 51, 61 and 71 census entries in Birmingham.
1841
Warwickshire, Birmingham, Lady Wood 11/10
31 Nelson St West
Henry Cox 25 carter N
Esther 25 N
Sarah Ann 4 Y
Henry 1 Y
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1851
Warwickshire, Birmingham St Thomas 3/46
Henry Cox head mar 36 wagonner b Fairleigh, Sussex
Esther wife 39 b Derbyshire
Sarah A dau 9
Henry son 13
William son 11
John son 7
George son 4
children all b Birmingham
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1861
Warwickshire, Birmingham, St Paul 4/23
Esther Cox head mar 48 b Derbyshire
William son unm 18 jeweller
John son 15 (???) carter
George son 12 jeweller
children b Birmingham
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1871
Warwickshire, Birmingham, St George, 53/28
43 Barr St
Esther Cox head wid 56 no occupation b Derby, Irton Wood
William H son unm 27 jeweller b Birmingham
George son unm 23 jeweller b Birmingham
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This, from the IGI, is not extracted from the parish register.
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Ester Finney Pedigree
Female
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Event(s):
Birth:
Christening: 15 MAR 1812 Kirk Ireton, Derby, England
Death:
Burial:
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Parents:
Father: Willm. Finney Family
Mother: Elizth. Finney
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ESTHER FINNEY Pedigree
Female Family
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Event(s):
Birth:
Christening:
Death:
Burial:
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Marriages:
Spouse: HENRY COX Family
Marriage: 17 NOV 1834 Derby, Derby, England
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Messages:
Record submitted by a member of the LDS Church. The source films cannot be sent to family history centers and have limited access at the Family History Library. A family group record for this family may be in the Family Group Record Collection; Archive Section. (See the Family History Library Catalog for the film number.) These records are alphabetical by name of the father or husband.
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These two baptisms of William H Cox's siblings are both extracted from the parish register. They were both performed on the same day, so one was probably a baby and the other was a young child at baptism.
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SARAH ANN COX Pedigree
Female
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Event(s):
Birth:
Christening: 26 SEP 1841 Saint Mark, Birmingham, Warwick, England
Death:
Burial:
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Parents:
Father: HENRY COX Family
Mother: ESTHER
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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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HENRY COX Pedigree
Male
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Event(s):
Birth:
Christening: 26 SEP 1841 Saint Mark, Birmingham, Warwick, England
Death:
Burial:
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Parents:
Father: HENRY COX Family
Mother: ESTHER
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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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Sarah A Cox age 4 in 1841, and a Sarah A Cox age 9 in 1851 is a bit of a mystery --- either one entry is wrong about the age (maybe 4 should be 4 months ?) or else the first Sarah A died soon after the 1841 census.
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Jean C