Kacyn vs Nilson

Baby Name Comparison — 2026

Kacyn

Boy #6,406 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish (Casey root)

American English

✓ All Clear

Boy #6,413 Most Popular 2 Syllables

"Son of Nils (Neil); son of the champion"

Origin: Old Norse/Scandinavian

Scandinavian Norwegian Swedish American

✓ All Clear

Kacyn Rank #6,406

Nilson Rank #6,413

Kacyn is more popular, ranked #6406 vs #6413 for Nilson.

Is Kacyn or Nilson more popular?

Kacyn is more popular, ranked #6406 compared to Nilson at #6413 in the United States.

What do Kacyn and Nilson mean?

Kacyn means "vigilant, watchful" (Irish (Casey root) origin). Nilson means "Son of Nils (Neil); son of the champion" (Old Norse/Scandinavian origin).

Are Kacyn and Nilson boy or girl names?

Kacyn is primarily a boy name. Nilson is primarily a boy name.