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).
Based on the frequency of positive ratings, we can analyze how popular names are in different countries. The name Uilliam is currently ranked #15182 on the name leaderboard.
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