Cass vs Avon

Baby Name Comparison — 2026

Cass

Boy #5,414 Most Popular 1 Syllable

"hollow, vain (from Latin Cassius)"

Origin: Latin

English American Greek

✓ All Clear

Boy #5,357 Most Popular 2 Syllables

"river"

Origin: Celtic/Brythonic

English Welsh British Celtic

✓ All Clear

Cass Rank #5,414

Avon Rank #5,357

Avon is more popular, ranked #5357 vs #5414 for Cass.

Is Cass or Avon more popular?

Avon is more popular, ranked #5357 compared to Cass at #5414 in the United States.

What do Cass and Avon mean?

Cass means "hollow, vain (from Latin Cassius)" (Latin origin). Avon means "river" (Celtic/Brythonic origin).

Are Cass and Avon boy or girl names?

Cass is primarily a boy name. Avon is primarily a boy name.