And here’s William in 1891 at Ballavale Farm, Santon:
Name Age
William Kissack 35
Clara Kissack 29
Clara M Kissack 7
Annie B Kissack 6
Eleanor G Kissack 5
Henrietta Kissack 3
Mabel Kissack 1
Eliza J Corlett 25
Robert Creer 22
Thomas Tasker 16
William Cannaghan 14

notes:
WC 14 farm servant b Santon

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Since their mother had died in 1882, I wonder whether they had been fostered in Santon for a few years while their father worked as a railway plate layer at various locations. Or maybe their father had died too ?