Dennis vs Brain

Baby Name Comparison — 2026

Dennis

Boy #708 Most Popular 2 Syllables

"follower of Dionysus"

Origin: Greek

English French German Irish

✓ All Clear

Boy #18,439 Most Popular 1 Syllable

"noble, high"

Origin: Celtic

American English

✓ All Clear

Dennis Rank #708

Brain Rank #18,439

Dennis is more popular, ranked #708 vs #18439 for Brain.

Is Dennis or Brain more popular?

Dennis is more popular, ranked #708 compared to Brain at #18439 in the United States.

What do Dennis and Brain mean?

Dennis means "follower of Dionysus" (Greek origin). Brain means "noble, high" (Celtic origin).

Are Dennis and Brain boy or girl names?

Dennis is primarily a boy name. Brain is primarily a boy name.