Name Profile
Illiam
“Resolute protector” — Manx
BoyManx2 syllables
About Illiam
Illiam appears in U.S. Social Security baby-name records. Illiam has Manx origin. A standardized meaning is not consistently documented across public sources.
Quick Facts
Popularity in the U.S.
Illiam is not in the U.S. SSA top 1,000 for 2025 boys.
Trend chart unavailable for this name right now.
More Names Like Illiam
Frequently Asked Questions
What does Illiam mean?
Illiam is commonly linked to the meaning Resolute protector and is associated with Manx roots.
Is Illiam a popular baby name in the U.S.?
Illiam is not in the U.S. SSA top 1,000 for 2025 boys.