Eirwen \e(i)-rwen, eir-wen\ as a girl's name is of Welsh origin, and the meaning of Eirwen is "snow, fair, white, blessed, holy". Modern name.

Baby names that sound like Eirwen are Eireen and Eiren. Other similar baby names are Arwen, Carwen, Eiddwen, Eirian, Eirynn, Eiryn, Eirinn, Eirin, Eirene and Eirena.