Is this the family
1871:
7 Back Sand Holes, Front Road, Paisley
Charles Pollock 41 Ag Labourer B Ireland
Cathrine Pollock 27 Wife B Ireland
Mary Pollock 8 Dau B Ireland
Cathrn Pollock 2 Dau B Paisley
1881
132 Inkerman, Paisley
Charles Pollock 48 Pit Labourer. Born Antrim
Catherine Pollock 38 Wife B Antrim
Mary Pollock 17
Catherine Pollock 12
Charles Pollock 1 Mos Son B Paisley
Thomas Neil 6 Adopted son
1891
6 West Campbell St, Paisley
Charles Pollock 60
Catherine Pollock 50
Mary Pollock 26
Catherine Pollock 21
Charles Pollock 10
EDIT:
Catherine Pollock born 13 Dec 1868 Abbey, Paisley
Parents: Charles Pollock and Catherine McKERRIGAN
Also: Births of children who do not appear on any census and presumably died in infancy
Father's name Charles. Mother's last name has variants of McKerrigan/McKergan/McCargan
Martha Ann Pollock b 2 Oct 1865
Un named female child b 13 Dec 1866
John Pollock b 7 Jul 1871.