Hi Elaine

Can't find a birth for Margaret or Ann , there is a User Submitted Genealogy on LDS/IGI for the family , they seem to combine Margaret with Martha , can't confirm that on the IGI as that site is going blank for me. If she did marry Joseph Thomas , then they moved off the Island before 1861 as they are not on Lawsons Census Index.
On Frances' Amanxnotebook , from A.W.Moores "Manx Families" 1889 , under Kellys of Peel , it seems to say that Margaret Kelly married Hugh Stowell Gill , the Vicar of Malew. However , still unable to check IGI , but Lawsons births 1859 shows a birth of Meta Christian to H S Gill and Margaret Llewellyn , which does not add up , unless it was Margarets second marriage.
Cheers
David Dwyer