This looks like the family in 1861King Street, Castle Douglas869 ED 1 Household No. 26John Williamson, 34, Horse Breaker, b. TynronMargaret, 36, b. New AbbeyIsabella, 17, b. New AbbeyJohn, 7, b. Castle DouglasThomas Easton, Grandson, 1, b. Castle DouglasJames Cornelia, 26,servant, b. BuittleI'm thinking that Thomas Easton is probably the Thomas Williamson in the 1871.Gadget
1851Ingliston, New Abbey877 ED 2 Page 14David Connal, 58, Tailor, b. TroqueerJane, 55, b. Keir, DumfriesshireJane, dau, 14, b. New AbbeyIsabella Easton,grddaughter, 7, b. New AbbeyMary Jamieson, grddau, 3, b. New AbbeyThe Easton name again!
He's still in Staffordshire in 190160 Smithfield Chapel (?), Horninglow, Burton on Trent, Derby/StaffsRG13/2646 Folio 83 Page 27Boarding with William Proudman:David Williamson, boarder, 32, Engineer (?), b. Scotland