Killiam
Gender: Boy
Meaning: Strong-willed warrior and protector
Origin: Irish — short form of Uilliam, itself from the Old Germanic Wilhelm
Popularity: Ranked #9348 in 2025 with 8 babies born.
History: A variant or related form of Liam. Shares the meaning 'Strong-willed warrior and protector.'
Similar names: kiliam, kilam, kilian, killian, kilyam, kyliam, kiam, kila
Name length: 7 letters
How common is Killiam? About 1 in 416,063 babies born in 2025 were named Killiam, or roughly 0 per day in the United States.
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Frequently asked about Killiam
What does the name Killiam mean?
Killiam means “Strong-willed warrior and protector” from Irish — short form of Uilliam, itself from the Old Germanic Wilhelm roots.
What is the origin of the name Killiam?
Killiam has Irish — short form of Uilliam, itself from the Old Germanic Wilhelm origin. The traditional meaning is “Strong-willed warrior and protector”.
How popular is Killiam?
Killiam ranked #8910 in 2025 — given to 8 babies that year.
When was Killiam most popular?
Killiam peaked in 2024 with 16 babies registered that year.
Is Killiam a boy or girl name?
Killiam is predominantly a boys' name — over 90% of Killiams in registered births are male.
Is the name Killiam rising or falling in popularity?
Killiam has risen 610 spots in the rankings over the last 5 years — from #9520 in 2020 to #8910 in 2025.
How long has Killiam been recorded?
Killiam appears in birth records across 6 years — from 2017 through 2025.