Morphology: croes+gwen
Phonetic: groys-when
The name means "white cross" and "gwen" is the feminine form of "gwyn" in Welsh. The village is best known as the location of the first Calvinistic Methodist chapel in Wales, which was established in 1742. Instances of the name since that period are Groes Wenn 1742, Cross-wen 1750, Tir y Grose Wen 1764, White Cross 1772 and Croes Wen 1786.
WW2
Supplied by Glamorgan Archives