Can't give you 1851 yet, but here are 1861 & 1871:
1861:
RG9/4156 ED10 folio 66 page 3
Charlton Place, Pater, Pembroke
Josephus Williams head mar 63 Independent Minister Meyrick Street Chapel Carmarthen Llanboydy (Llanboidy)
Mary A S Williams wife mar 76 middlesex London
Henneretta Morgan servant un 23 PEM Kilmanllyd
Martha John servant un 34 PEM Narberth
1871:
RG10/5517 ED10 folio 27 page 7
23 Charlton Place, Pater, Pembroke
Josephus Williams head mar 73 Retired Dissenting Minister Carmarthen Llanbodey (Llanboidy)
Henneretta Morgan servant un 36 servant domestic PEM Kilmanllyda
Elizabeth Jenkins servant un 35 servant domestic PEM Dinas
Pater is now called Pembroke Dock
1861:
RG9/4165 ED24 folio 69 page 9
Rudbaxton, Pembrokeshire
Levi James head mar 65 farm labourer PEM Rudbaxton
Fanny James wife mar 68 PEM Rudbaxton
Elizabeth James dau un 30 farm servant PEM Rudbaxton
Fanny James g daur 6 PEM Wiston
Levi James g son 4 PEM Wiston
Theophilus Howells 6 PEM Wiston
(no relationship is given for Theophilus)
1871:
RG10/5528 ED19 folio 48 page 10
East Cartlett, Uzmaston, Haverfordwest, Pembrokeshire
Mary James head unm 49 washerwoman PEM Rudbaxton
Thomas James son unm 17 labourer PEM Wiston
Frances James mother Widow 82 PEM Rudbaxton
Levi James grandson 12 scholar PEM Wiston
regards