Meaning: Will helmet, protection
Gender: Male
Pronunciation: Gwil-Lin
Language origin of Gwillyn: Germanic
Regional origin of Gwillyn: Western Europe
Languages Gwillyn is most common: German, Welsh
Religions Gwillyn is most common: Christianity
First letter and sound: G, Gwil
Last letter and sound: N, lin
Alternative Spelling: Gwilyn, Gwillan, Gwilyn, Gwillian, Gwyllin