1881 census
Dwelling: 59 Church Street
Census Place: Port Glasgow, Renfrew, Scotland
Source: FHL Film 0203586 GRO Ref Volume 574 EnumDist 13 Page 11
Marr Age Sex Birthplace
John CAMPBELL M 27 M Glasgow, Lanark, Scotland
Rel: Head
Occ: Engine Fitter
Elizabeth CAMPBELL M 27 F Ireland
Rel: Wife
Jane G. CAMPBELL 2 F Port Glasgow, Renfrew, Scotland
Rel: Daughter
Thomas WHITESIDE U 29 M Ireland
Rel: Bro In Law
Occ: Labourer
Sorry, can't help with 1891 census, but it is searchable on the 'scotlandspeople' site
Cheers Liz