Could this be the family (see GR2's post#2)
1841
Kyleshill Street, Stevenson, Ayr
John Cook, 30, Mason , b Scotland
Janet, 30, b. Scotland
Janet, 8. b.Scotland
Catherine, 6, b Scotland
John, 4, b Ayrshire
Mary, under 1, b Ayrshire
Mary Ballantine, 70, b. Scotland
1851
Nicol Street, Kilbride, Lamlash, Bute
John Cook, 43, Mason journeyman, b Bute
Janet, wife, 44, b Bute
Catherine, d, 15 , b. Kilbride
John, s, 13, mason apprentice, b. -d-
Mary, d, 10, scholar, b. Stevenston, Ayrshire
Elizabeth. d, 8, b. Kilbride
Margaret, d, 5. b -do-
Gadget