Uilliam is a ♂ boy’s name.
Uilliam is an Irish variant of the name William, which derived from the Germanic name Wilhelm.
Uilliam means “resolute protector” (from Old High German “willio” = will/desire + “helm” = protection/helmet).
The name Uilliam is ranked #14360 overall.
Find more beautiful first names!
Download our free baby name app and swipe a wonderful name together with your partner!