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Declan vs Thomas

Baby Name Comparison — 2026

Popularity Comparison

Declan Rank #131
Thomas Rank #39

Thomas is more popular, ranked #39 vs #131 for Declan.

Frequently Asked Questions

Is Declan or Thomas more popular?

Thomas is more popular, ranked #39 compared to Declan at #131 in the United States.

What do Declan and Thomas mean?

Declan means "man of prayer" (Irish Gaelic origin). Thomas means "Twin" (Aramaic origin).

Are Declan and Thomas boy or girl names?

Declan is primarily a boy name. Thomas is primarily a boy name.

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← Full profile: Declan ← Full profile: Thomas Browse all baby names