Arlene vs Caitlin

Baby Name Comparison — 2026

Arlene

Girl #1,817 Most Popular 2 Syllables

"pledge, oath"

Origin: Irish/Gaelic

Irish American English

✓ All Clear

Girl #1,686 Most Popular 2 Syllables

"pure, clear"

Origin: Greek via Irish

Irish Welsh American English Australian

✓ All Clear

Arlene Rank #1,817

Caitlin Rank #1,686

Caitlin is more popular, ranked #1686 vs #1817 for Arlene.

Is Arlene or Caitlin more popular?

Caitlin is more popular, ranked #1686 compared to Arlene at #1817 in the United States.

What do Arlene and Caitlin mean?

Arlene means "pledge, oath" (Irish/Gaelic origin). Caitlin means "pure, clear" (Greek via Irish origin).

Are Arlene and Caitlin boy or girl names?

Arlene is primarily a girl name. Caitlin is primarily a girl name.