Margaret Crow is the Daughter of Thomas Crow & Ann Lace of Ballaugh – the Grand daughter – Maria Crow on the 1851 Census – is the link.

1851 Census H.O. 107 / 2523
BallaKinnag - Ballaugh, Isle of Man
Thomas Crow Head 60 Ag. Lab. Isle of Man, Jurby
Ann Crow Wife 58 Isle of Man, Peel
Marg^a^ret Crow Daur. U 17 Isle of Man, Ballaugh
Maria Crow Grandaur. 12 mths Isle of Man, Ballaugh
James Crow Son 23 Shoemaker Isle of Man, Ballaugh

Margaret Crow now married to Robert Cain – m. 1853

1861 Census R.G. 9 / 4420
Ballahown - German, Isle of Man
Robert Cain Head Mar 30 Ag: Labor Douglas
Margaret Cain Wife Mar 28 Douglas
John Cain Son 6 Scholar Douglas
William Cain Son 4 Douglas
Maria Gill Relative 14 Scholar Douglas

There must be a presentment/Affiliation c1848 - 1851 – of Margaret Crow on ? Gill