Claim: Carys is a Welsh feminine given name, formed from the stem of the Welsh vocabulary word , "to love" and the suffix -ys, found in names such as Dilys, Gladys, Glenys and Nerys.
Evidence: Carys is a Welsh feminine given name, formed from the stem of the Welsh vocabulary word , "to love" (cf. third person "beloved friend" or "precious"), and the suffix -ys, found in such names as Dilys, Gladys, Glenys and Nerys.