Fynn vs Sir

Baby Name Comparison — 2026

Fynn

Boy #1,923 Most Popular 1 Syllable

"fair, white, bright"

Origin: Old Irish fionn

Irish English American British

✓ All Clear

Boy #1,964 Most Popular 1 Syllable

"lord, master"

Origin: Old French

American English Caribbean

✓ All Clear

Fynn Rank #1,923

Sir Rank #1,964

Fynn is more popular, ranked #1923 vs #1964 for Sir.

Is Fynn or Sir more popular?

Fynn is more popular, ranked #1923 compared to Sir at #1964 in the United States.

What do Fynn and Sir mean?

Fynn means "fair, white, bright" (Old Irish fionn origin). Sir means "lord, master" (Old French origin).

Are Fynn and Sir boy or girl names?

Fynn is primarily a boy name. Sir is primarily a boy name.