Sir vs Kasyn

Baby Name Comparison — 2026

Popularity Comparison

Sir Rank #1,964
Kasyn Rank #2,055

Sir is more popular, ranked #1964 vs #2055 for Kasyn.

Frequently Asked Questions

Is Sir or Kasyn more popular?

Sir is more popular, ranked #1964 compared to Kasyn at #2055 in the United States.

What do Sir and Kasyn mean?

Sir means "lord, master" (Old French origin). Kasyn means "vigilant in war" (Irish origin).

Are Sir and Kasyn boy or girl names?

Sir is primarily a boy name. Kasyn is primarily a boy name.

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← Full profile: Sir ← Full profile: Kasyn Browse all baby names