There is a Richard Jones, Farmer, Widower on the 1851 census in Llanilar.
He was born 1789 Lledrod, Cardiganshire. 6 of his children are present.
They are there also in 1841, plus Elizabeth, both age 50 (rounded down) Richard noted as a Wool Carder but most of the children as noted in 1851. All born in the county,
Anne Jones 27
William Jones 25
Lewis Jones 20
David Jones 15
John Jones 15
Elizabeth Jones 13
Mary Jones 6
Morgan and his wife Mary are in the area.
Elizabeth died between the two census records but more than one registration possible. The same for Richard who died after 1851.
There are several Jones baptism on Freereg at Llanilar but no marriages or burials.
On Freereg at Lledrod there are only burials.
Incidentally there is a Morgan Jones born 1789 Lledrod still there up to the 1871 census.
Colin