I'm not researching this person, just hoping to help. Here are the households in 1891/1901 census records.

1891 cenus Riccarton, Ayrshire
Name Age
Adam Armit 22 (b Newmains, Lanarkshire)
Jane Armit 22 (b Hurlford, Ayrshire)
James Armit 3 (b Hurlford, Ayrshire)
Jane Armit 2 (b Hurlford, Ayrshire)
Donald Armit 1 Mo (b Hurlford, Ayrshire)

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1901 cenus Riccarton, Ayrshire
Name Age
Jane Banks 82 (b. Ireland)
Jane Armit 32 (grandaughter)
James Armit 13 (g grandson)
Jane Armit 12 (g grandaughter)
Donald Armit 10 (g grandson)
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Jo-Ann Croft