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