Hi Napier12,
From 1881 census on LDS:
Address - Woodfield Street, Morriston (location given as Clase?)
Thomas H. JONES, Head, Married, Male, 27, b. Morriston Glamorgan, Joiner & Carpenter
Sarah J. JONES, Wife, Married, Female, 23, b. Morriston Glamorgan
Brynly (sic) JONES, Son, Male, 7 months, b. Morriston Glamorgan
Regards,
Lee.