And again, probably not connected, since this Hannah's age is way out from the one you found in 1881, but posting this up just in case:
1871 census
Tymawr, Trecastell, Llanarthney, Carmarthenshire
Hanah Walters Head Unm 25 Collier's Widow Carmarthen Llanarthney
John Stephens Son 8 Do Do