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
"olive tree"
Origin: Latin
Oliver is more popular, ranked #3 vs #2055 for Kasyn.
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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Oliver is more popular, ranked #3 compared to Kasyn at #2055 in the United States.
Kasyn means "vigilant in war" (Irish origin). Oliver means "olive tree" (Latin origin).
Kasyn is primarily a boy name. Oliver is primarily a boy name.