Dillon vs Brock

Baby Name Comparison — 2026

Dillon

Boy #870 Most Popular 2 Syllables

"great tide, son of the sea"

Origin: Welsh

Irish Welsh American English

✓ All Clear

Boy #707 Most Popular 1 Syllable

"brook, small stream"

Origin: Old English

American English Australian

✓ All Clear

Dillon Rank #870

Brock Rank #707

Brock is more popular, ranked #707 vs #870 for Dillon.

Is Dillon or Brock more popular?

Brock is more popular, ranked #707 compared to Dillon at #870 in the United States.

What do Dillon and Brock mean?

Dillon means "great tide, son of the sea" (Welsh origin). Brock means "brook, small stream" (Old English origin).

Are Dillon and Brock boy or girl names?

Dillon is primarily a boy name. Brock is primarily a boy name.