Cass vs Rylie

Baby Name Comparison — 2026

Cass

Boy #5,414 Most Popular 1 Syllable

"hollow, vain (from Latin Cassius)"

Origin: Latin

English American Greek

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Boy #5,324 Most Popular 2 Syllables

"courageous, valiant"

Origin: Irish

Irish English American

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Cass Rank #5,414

Rylie Rank #5,324

Rylie is more popular, ranked #5324 vs #5414 for Cass.

Is Cass or Rylie more popular?

Rylie is more popular, ranked #5324 compared to Cass at #5414 in the United States.

What do Cass and Rylie mean?

Cass means "hollow, vain (from Latin Cassius)" (Latin origin). Rylie means "courageous, valiant" (Irish origin).

Are Cass and Rylie boy or girl names?

Cass is primarily a boy name. Rylie is primarily a boy name.