I think this is them in 1881
'scotlandspeople' has the 1891 census on-line plus BMD's for a fee.
Dwelling: 40 Elderslie St
Census Place: Barony, Lanark, Scotland
Source: FHL Film 0203661 GRO Ref Volume 644-9 EnumDist 35 Page 19
Marr Age Sex Birthplace
John YOUNG M 35 M Leswalt, Wigtown, Scotland
Rel: Head
Occ: Cooper (Journeyman)
Margaret YOUNG M 36 F Girvan, Ayr, Scotland
Rel: Wife
Daniel YOUNG 13 M Govan, Renfrew, Scotland
Rel: Son
Occ: Apprentice Glass Stainer
Jemima YOUNG 9 F Barony, Lanark, Scotland
Rel: Daur
Occ: Scholar
John YOUNG 5 M Barony, Lanark, Scotland
Rel: Son
Occ: Scholar
Robert YOUNG 2 M Barony, Lanark, Scotland
Rel: Son
Maggie YOUNG 1 F Barony, Lanark, Scotland
Rel: Daur
Henry YOUNG 3 m M Barony, Lanark, Scotland
Rel: Son
Robert R. MC DONALD W 54 M Perth, Perth, Scotland
Rel: Lodger
Occ: Manager (Wine & Spirit Trade)
Found on familysearch, children for John Young and Margaret Montgomery
1. JEMIMA YOUNG - International Genealogical Index
Gender: Female Birth: 08 OCT 1871 Anderston, Glasgow, Lanark, Scotland
2. JESSIE PETTIGREW YOUNG - International Genealogical Index
Gender: Female Birth: 31 JUL 1874 Anderston, Glasgow, Lanark, Scotland
3. JOHN YOUNG - International Genealogical Index
Gender: Male Birth: 02 AUG 1873 Anderston, Glasgow, Lanark, Scotland
4. DANIEL YOUNG - International Genealogical Index
Gender: Male Birth: 27 MAR 1868 Blythswood, Glasgow, Lanark, Scotland
Hope this helps
Liz