Killiam
Meaning
"little churchman, associated with the church"
Origin: Old Irish ceall + diminutive
Cultural Roots
Quick Stats
- Popularity Rank
- #5,792
- Total SSA Count
- 16
- Syllables
- 3
- Formality
- Moderate
- Nicknames
- Kill, Liam, Killy
Baby Name Comparison — 2026
"little churchman, associated with the church"
Origin: Old Irish ceall + diminutive
"one million million (10^12)"
Origin: French/English
Killiam is more popular, ranked #5792 vs #5802 for Trillion.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
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Killiam is more popular, ranked #5792 compared to Trillion at #5802 in the United States.
Killiam means "little churchman, associated with the church" (Old Irish ceall + diminutive origin). Trillion means "one million million (10^12)" (French/English origin).
Killiam is primarily a boy name. Trillion is primarily a boy name.