Gwilym - Name Meaning and Origin

The boy's name Gwilym \g-wilym, gwi(l)-ym\ is a variant of Guillaume.

The baby name Gwilym sounds like Gilam, Calum, Colum, Colm, Callum and Clem. Another similar baby name is Gwillyn.

Gwilym is a very rare male first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Gwilym. Click here to compare Gwilym with related baby names.