Kasey
- Pronunciation
- [Ka-sey]
- Gender
- Female
- Meaning
- Vigilant.
- Origin
- Irish
About the Name Kasey
Kasey is an Irish-origin name with the meaning "vigilant" — a meaning shared with Casey, of which Kasey is a phonetic respelling using the distinctive K initial. The Irish source is the surname Ó Cathasaigh, derived from cathasach, meaning "watchful" or "vigilant." Like many Irish surnames repurposed as first names in American culture, Casey and its variants have circulated for both boys and girls; the K spelling in Kasey tends to lean slightly more toward feminine use in modern American naming. The K opening simply makes the phonetic rendering more direct, with no independent etymology of its own beyond the Irish source it shares with Casey.
Kasey first entered the US Social Security top-1000 in 2000, also its peak year, at rank #386 for female names. The name remained on the chart through 2012, recording 257 births at rank #981 in that final year. Total top-1000-qualifying births across the window came to approximately 6,104. Its thirteen-year chart run reflects its place as one of the competing spellings in the Casey cluster during the early 2000s, occupying a specific niche among parents who preferred the K-initial form. The recorded variant for this spelling is Kasie.
Kasey is a two-syllable name with an open, easy sound and a clear heritage anchor in Irish surname tradition. Its vigilance meaning gives it a character-laden semantic depth that many trend names of its era lack, and its continued chart presence into the 2010s reflects the durability of Irish-origin names in American culture even as spelling preferences shifted over time.
Source: U.S. Social Security Administration name data, 1880–2024 (methodology). By Marvin Tang.
Quick Facts About Kasey
US Popularity History (2000–2012)
Annual US births named Kasey by gender, from US Social Security Administration records. Peak year: 2000 with 750 girls named Kasey (girl rank #386 that year).
Where it stands today: in 2012, ranked #981 for girls (257 US births). That's 595 places below its 2000 peak.
Source: US Social Security Administration. Limitations: US birth-certificate data only; names appearing fewer than 5 times in a given year are suppressed for privacy; spelling variants are counted separately. For names that ranked outside the US top 100 before year 2000, only the years they reached the top 100 are shown — the chart may have gaps for less-popular historical names.
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Where in the US Is Kasey Most Popular?
Average girl-name rank within each state across 2016–2025 SSA records. A lower number means the name appears closer to the top of that state's girls-name rankings — a per-capita measure that isn't biased toward large states. For Kasey the strongest states are Maryland, New Jersey, Virginia.
Strongest girls-name states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | Maryland | #793 | 34 |
| 2 | New Jersey | #832 | 28 |
| 3 | Virginia | #871 | 26 |
| 4 | Georgia | #1,061 | 31 |
| 5 | New York | #1,159 | 60 |
Weakest girls-name states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | New York | #1,159 | 60 |
| 2 | Georgia | #1,061 | 31 |
| 3 | Virginia | #871 | 26 |
| 4 | New Jersey | #832 | 28 |
| 5 | Maryland | #793 | 34 |
Source: SSA state-level baby-name dataset 2016–2025. States with fewer than 3 years of data for Kasey in this window are excluded. Births < 5 in a given state-year are suppressed by SSA for privacy.
Variant Forms
| Name | Meaning | Gender | Origin |
|---|---|---|---|
| Kasie | Alert. Vigorous. Modern Variant Of Casey. | Female | Irish |
Looking for names like Kasey?
A dedicated page with 60+ related names — spelling variants, rhymes, alliterations, same-origin matches, and shared meaning concepts — lives at its own URL so each kind of similarity gets a deeper treatment than fits here.
Compare Kasey to Other Popular Names
Side-by-side popularity charts and crossover years for Kasey against today's most popular girls-name peers (top 8 by US births in the last 10 years of SSA records).