Hi Dave. I hope this helps ...
1861 census
Llanbadarn Trefeglwys, Cardiganshire
Thomas Evans, head, married, 38, glazier, born Llanbadarn Trefeglwys
Elizabeth Evans, wife, married, 46, born Llangeitho, Cardiganshire
Hugh Evans, son, 15, scholar, born Llanbadarn Trefeglwys
Stephen Evans, son, 13, scholar, born Llanbadarn Trefeglwys
Jane Evans, dau, 10, scholar, born Llanbadarn Trefeglwys
Margaret Evans, dau, 8, born Llanbadarn Trefeglwys
John Evans, son, 5, born Llanbadarn Trefeglwys
Anne Evans, dau, 3, born Llanbadarn Trefeglwys
I'm afraid I can't find a John Jones, son of Roderick, who is born in the same village.
Good luck!
Andy