Hi Sue,
This is the info I have gathered for John.
John LATTA m Margaret CUNNINGHAM 11sep 1856, Rutherglen.
1861 census:
74 Mill St Rutherglen
Hellen CUNNINGHAM  50 bIre  Coalminers wife
Hannah LATTA  1
Hellan  LATTA  2
John LATTA  25 bGlasgow  Coalminer
Margaret  LATTA  24bcampsie stirling  PLW
Mary  LATTA  1m
1871 census:
13 Cathcart rd Rutherglen
Catherine LATTA  5
Hannah LATTA  11
Helen LATTA  12
John LATTA  35  Coalminer
John LATTA  8
Margaret LATTA 3
Margaret LATTA  35
Sarah LATTA  1
1881 census:
55 Cathcart rd Rutherglen 
Annie  LATTA  4
Elizabeth LATTA  7m
Helen LATTA  22  Cotton weaver
James LATTA 9
John LATTA 45  Coalminer
John LATTA  18
Margaret LATTA 45
Margaret LATTA 13  Cotton weaver
Mary McK LATTA  5
William LATTA 2
1891 census:
55 Cathcart Rd Rutherglen
Annie LATTA 14  weaver
James LATTA  19  coalminer
John LATTA  55 coalminer
Margaret LATTA
Mary LATTA  15 weaver
William LATTA  12 message boy
1901 census:
67a Glasgow rd Rutherglen
Amlie LATTA  24  PLW  (this is from ancestry, so assume this is annie)
James LATTA  29  ship yard driller
John LATTA  65
Margaret LATTA 65
Mary LATTA  25
Wm LATTA  22
Karen