Liam
Meaning
"strong-willed warrior"
Origin: Irish
Cultural Roots
Quick Stats
- Popularity Rank
- #1
- Total SSA Count
- 22,164
- Syllables
- 2
- Formality
- Moderate
- Nicknames
- Lee
Baby Name Comparison — 2026
"strong-willed warrior"
Origin: Irish
"mountain range with jagged peaks"
Origin: Spanish/Latin (serra = saw)
Liam is more popular, ranked #1 vs #596 for Sierra.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
Names that pair well as siblings.
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Liam is more popular, ranked #1 compared to Sierra at #596 in the United States.
Liam means "strong-willed warrior" (Irish origin). Sierra means "mountain range with jagged peaks" (Spanish/Latin (serra = saw) origin).
Liam is primarily a boy name. Sierra is primarily a girl name.