Gender: Male Meaning of Gwilym: "resolute protection" Origin of Gwilym: Welsh variation of William

Gwilym Origin and Meaning

The name Gwilym is a boy's name of Welsh origin meaning "resolute protection".

The Welsh version of William is almost unheard-of across, but it's fairly straightforward and could make a good heritage choice or alternative honor name.

16 names similar to Gwilym

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Famous People Named Gwilym

Pop Culture References for the name Gwilym


FantasyandPrayer Says:


Love it!!! Particularly the Gwillym spelling (2 L's) - a guilty pleasure name for sure!!

RoddyThlayli Says:


Love this name, and the short form Gwili (GWEE-lee).

Afton Olivia Says:


same thats why i ended up searching this up too wow

Afton Olivia Says:


oh jesus christ thats how i got here too

Jos7277 Says:


I love this name because of Will Herondale, and it definitely grows on you. I love this name so, SO much.

franklyjennifer Says:


Gwilym is the birth name of the character William "Will" Herondale from The Infernal Devices series by Cassandra Clare