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Kellan vs Thaddeus

Baby Name Comparison — 2026

Popularity Comparison

Kellan Rank #919
Thaddeus Rank #850

Thaddeus is more popular, ranked #850 vs #919 for Kellan.

Frequently Asked Questions

Is Kellan or Thaddeus more popular?

Thaddeus is more popular, ranked #850 compared to Kellan at #919 in the United States.

What do Kellan and Thaddeus mean?

Kellan means "slender, bright-headed" (Irish Gaelic origin). Thaddeus means "courageous heart" (Aramaic origin).

Are Kellan and Thaddeus boy or girl names?

Kellan is primarily a boy name. Thaddeus is primarily a boy name.

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← Full profile: Kellan ← Full profile: Thaddeus Browse all baby names