Cass vs Declyn

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 #5,242 Most Popular 2 Syllables

"man of prayer, full of goodness"

Origin: Old Irish

Irish American English

✓ All Clear

Cass Rank #5,414

Declyn Rank #5,242

Declyn is more popular, ranked #5242 vs #5414 for Cass.

Is Cass or Declyn more popular?

Declyn is more popular, ranked #5242 compared to Cass at #5414 in the United States.

What do Cass and Declyn mean?

Cass means "hollow, vain (from Latin Cassius)" (Latin origin). Declyn means "man of prayer, full of goodness" (Old Irish origin).

Are Cass and Declyn boy or girl names?

Cass is primarily a boy name. Declyn is primarily a boy name.