Uilliam is a ♂ boy name.
Uilliam is an Irish variant of the name William, which derived from the Germanic name Wilhelm.
Uilliam means “protector,” “resolute protector,” “will helmet,” or “willing to protect” (from Old High German “willio” = will/desire + “helm” = protection/helmet).
Based on the frequency of positive ratings, we can analyze how popular names are in different countries. The name Uilliam is currently ranked #15298 on the name leaderboard.
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