Dennis vs Dillon

Baby Name Comparison — 2026

Dennis

Boy #708 Most Popular 2 Syllables

"follower of Dionysus"

Origin: Greek

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✓ All Clear

Boy #870 Most Popular 2 Syllables

"great tide, son of the sea"

Origin: Welsh

Irish Welsh American English

✓ All Clear

Dennis Rank #708

Dillon Rank #870

Dennis is more popular, ranked #708 vs #870 for Dillon.

Is Dennis or Dillon more popular?

Dennis is more popular, ranked #708 compared to Dillon at #870 in the United States.

What do Dennis and Dillon mean?

Dennis means "follower of Dionysus" (Greek origin). Dillon means "great tide, son of the sea" (Welsh origin).

Are Dennis and Dillon boy or girl names?

Dennis is primarily a boy name. Dillon is primarily a boy name.