Flynn vs Sincere

Baby Name Comparison — 2026

Flynn

Boy #738 Most Popular 1 Syllable

"son of the red-haired one"

Origin: Irish Gaelic

Irish English Australian American

✓ All Clear

Boy #605 Most Popular 2 Syllables

"genuine, honest, without deceit"

Origin: Latin

American African American

✓ All Clear

Flynn Rank #738

Sincere Rank #605

Sincere is more popular, ranked #605 vs #738 for Flynn.

Is Flynn or Sincere more popular?

Sincere is more popular, ranked #605 compared to Flynn at #738 in the United States.

What do Flynn and Sincere mean?

Flynn means "son of the red-haired one" (Irish Gaelic origin). Sincere means "genuine, honest, without deceit" (Latin origin).

Are Flynn and Sincere boy or girl names?

Flynn is primarily a boy name. Sincere is primarily a boy name.