Don't think this is the one as place & date of birth are different

can't see anything else at the moment
1861 RG09 Piece:4087 Folio:22 Page:11
12 Ty Canol Lantwit Juxta
WILLIAMJohn 1828 Miner Llandilo Carmarthen
Mary 1828 Swansea
Thomas 1852 Swansea
MARY 1857 Swanseaanother possibility birth place only given as Glamorganshire
RG09 Piece:4084 Folio:29 Page:3
1861 Baglan
WILLIAMSJohn 1823 Collier Cardiganshire
Mary 1828 Glamorgan
MARY 1850 Glamorganshire
David 1853 "
Jane 1855
William 1857
John 1860 "
3 lodgers
WILLIAMSMary 1830 Carmarthen
Samuel 1836 Cardigan Collier
Jane wife 1840 Pembroke
and here's the family on 1851 census
1851 HO107 Piece:2463 Folio:24 Page: 4
Abergweybewd Baglan Higher
WILLIAMSJohn 1823 Collier Cardiganshire
Mary 1829 Glamorgan
Ann 1846
Margaret 1849
MARY 1851 (1 month) GlamorganFor info. 1901 gives place of birth as Aberdulais looks as if Mary has remarried
45 Commercial Street, Glyncorrwg Abergwynp Glamorgan
James LUCY 1859 Collier Swhory Monmouth
Mary LUCY 1851 Aberdulais GlamorganEnoch THOMAS son 1883 Haulier in Colliery Abergwynfi R S O Glamorgan
Howel THOMAS 1890 Abergwynfi
William THOMAS 1893 Abergwynfi
Marriage freeBMD
Jun qtr. 1900 Neath
Mary
THOMAS name on same page
James
LUCY