In 1881 census an Ag Lab at Scotland End, Chippenham, Cambs aged 74 and with his wife Ann.

No death record on FreeBMD up to 1910.  Neither on the deaths index nor on the index of Cambridgeshire burials, nor on the new GRO death index.  Weird

In 1851 census:

Village, Chippenham, Newmarket, Cambridgeshire

First name(s) Last name Relationship Marital status  Sex  Age  Birth year  Occupation  Birth place

Henry Seal Head Married Male 43 1808 Ag Labourer  Chippenham, Cambridgeshire
Ann Seal Wife Married Female 41 1810 - Fordham, Cambridgeshire
Thomas Seal Son Married Male 21 1830 Ag Labourer  Chippenham, Cambridgeshire
Nathan Seal Son Unmarried Male 19 1832 Ag Labourer  Chippenham, Cambridgeshire
James Seal Son Unmarried Male 16 1835 Ag Labourer  Chippenham, Cambridgeshire
Eliza Seal Daughter Unmarried Female 11 1840  -  Chippenham, Cambridgeshire
Ellen Seal Daughter Unmarried Female 9 1842  Scholar  Chippenham, Cambridgeshire
Ann Seal Daughter Unmarried Female 5 1846  -  Chippenham, Cambridgeshire
Henry Seal Son Unmarried Male 3 1848 - Chippenham, Cambridgeshire
Ann Seal Daughter In Law Married Female 21  1830  -  Soham, Cambridgeshire

Ann, at the end, looks like being Thomas’ wife.
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In the 1861 census, some in-law relations of his sister Mary Ann, who had married a Bartholomew, seem to be present:

Scotland End, Chippenham, Newmarket, Cambridgeshire

First name(s) Last name Relationship Marital status  Sex  Age  Birth year  Occupation  Birth place

Henry Seal Head Married Male 52 1809 Agricultural Labourer  Chippenham, Cambridgeshire
Ann Seal Wife Married Female 51 1810  Labourers Wife  Chippenham, Cambridgeshire
Henry Seal Son Unmarried Male 13 1848  Agricultural Labourer  Chippenham, Cambridgeshire
Elizabeth Bartholomew Boarder - Female 3 1858  -  London, Middlesex
William Bartholomew Boarder - Male 1 1860 -  London, Middlesex
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In the 1871 census, he still has a Bartholomew with them:

Scotland End, Chippenham, Newmarket, Cambridgeshire

First name(s) Last name Relationship Marital status  Sex  Age  Birth year  Occupation  Birth place

Henry Seal Head - Male 63 1808 - Cambridgeshire
Ann Seal Wife - Female 62 1809 - Cambridgeshire
William Bartholomew Boarder - Male 11 1860 - London, Middlesex
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In the 1881 census they were at last on their own:

Scotland End, Chippenham, Newmarket, Cambridgeshire

First name(s) Last name Relationship Marital status  Sex  Age  Birth year  Occupation  Birth place
Henry Seal Head Married Male 74 1807  Ag Lab  -
Ann Seal Wife Married Female 72 1809   -       -
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