Kasyn
Meaning
"vigilant in war"
Origin: Irish
Cultural Roots
Quick Stats
- Popularity Rank
- #2,055
- Total SSA Count
- 73
- Syllables
- 2
- Formality
- Casual
- Nicknames
- Kas, Kay
Baby Name Comparison — 2026
"vigilant in war"
Origin: Irish
"champion (from Old Irish Niall)"
Origin: Old Irish via Norman Latin
Kasyn is more popular, ranked #2055 vs #2190 for Nigel.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
Names that pair well as siblings.
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Kasyn is more popular, ranked #2055 compared to Nigel at #2190 in the United States.
Kasyn means "vigilant in war" (Irish origin). Nigel means "champion (from Old Irish Niall)" (Old Irish via Norman Latin origin).
Kasyn is primarily a boy name. Nigel is primarily a boy name.