I have managed to get a 1851 census of a Gray family from tarbolton...it reads as:
The Address looks like 5 Malside
James Gray (h)46 (m)
jane Gray (w) 39 (m)
john Gray (s) 16 (u) son at home...?
William gray (s) 14 (u) Scholar
james gray (s) 12 (u) "
Robert Gray (s) 10 (u) "
david Gray (s) 8 (u) "
alexander Gray (s) 5 (u)
adam gray ? (s) 3 (u)
Mary Gray (d) 1(u)
Andrew Gray (?) 21 (u) Farm labourer