Brain vs Dennis

Baby Name Comparison — 2026

Brain

Boy #18,439 Most Popular 1 Syllable

"noble, high"

Origin: Celtic

American English

✓ All Clear

Boy #708 Most Popular 2 Syllables

"follower of Dionysus"

Origin: Greek

English French German Irish

✓ All Clear

Brain Rank #18,439

Dennis Rank #708

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

Is Brain or Dennis more popular?

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

What do Brain and Dennis mean?

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

Are Brain and Dennis boy or girl names?

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