Kasey
Kasey was the 1162nd most popular name for boys in 2025, given to 180 babies. Its best year was 1988, when it ranked 454th; the most babies were born in 1990 (467). Over the last ten years it has moved up 411 places. More babies were named Kasey in the 1990s than in any other decade.
Meaning variant of Casey; "watchful" · Irish, American English
Say it KAY-see /ˈkeɪsi/
- Rank in 2025
- #1,162 boys, up 479 places since 2020
- Babies in 2025
- 180boys
- Girls and boys
- 46% girls, 54% boys2021–2025
- Peak year
- 1990467 babies
- Total since 1880
- 45,949babies recorded
What does the name Kasey mean?
Kasey is a spelling of Casey, an Irish surname from Ó Cathasaigh, "descendant of Cathasach", a personal name meaning "watchful, vigilant". Casey moved from surname to first name in the US and is used for both sexes; Wikipedia also notes it can stand for the initials K.C. or be a short form of Cassandra. Kasey was most common in the 1980s and early 1990s and has been given to more girls than boys.
Ó Cathasaigh (Irish, “descendant of Cathasach ("watchful")”)
How sure is this? Well established.
Related names: Casey, Kacey, Kaci, KC.
See also: Irish names.
Sources for this meaning
- Wiktionary, entry 'Kasey', Wiktionary (Wikimedia Foundation)
- Wiktionary, entry 'Casey', Wiktionary (Wikimedia Foundation)
- Wikipedia, 'Casey (given name)', Wikipedia (Wikimedia Foundation)
Kasey popularity since 1880
| Year | Rank (girls) | Rank (boys) | Babies (girls) | Babies (boys) |
|---|---|---|---|---|
| 2025 | #1,876 | #1,162 | 105 | 180 |
| 2020 | #1,447 | #1,641 | 150 | 98 |
| 2010 | #795 | #1,090 | 345 | 177 |
| 2000 | #386 | #762 | 750 | 218 |
| 1990 | #216 | #459 | 1,333 | 467 |
| 1980 | #363 | #551 | 653 | 240 |
| 1970 | #904 | #1,212 | 146 | 47 |
| 1960 | #3,803 | #2,265 | 12 | 14 |
| 1950 | #5,678 | — | 5 | — |
| 1940 | — | — | — | — |
| 1930 | — | — | — | — |
| 1920 | — | — | — | — |
| 1910 | — | — | — | — |
| 1900 | — | — | — | — |
| 1890 | — | — | — | — |
| 1880 | — | — | — | — |
How popular is Kasey, counting every spelling?
Kasey is the most common spelling of a name family that ranked #1,077 for boys in 2025 once every spelling is counted together, compared with #1,162 for Kasey on its own. Together these spellings went to 185 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Kasey | 180 | #1,162 | 787 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Kasey?
180 of the 3,606,400 babies born in the US in 2025 were named Kasey (0.05 per 1,000 births). For a boy named Kasey born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 47 (of 430 pupils) would have a child named Kasey.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Kasey?
About 12,100 people born in the US named Kasey are alive today, with a median age of 32; half are between 20 and 40. That makes Kasey mostly worn by adults in their thirties to fifties.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Kasey by state
How common Kasey was among boys born in each state in 2021–2025. It is notably more common than nationally in Mississippi (4.3×), Washington (1.7×), North Carolina (1.6×). In 27 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Kasey: their share of US boys followed the most similar curve since 1880. If you like Kasey, they share its era and feel.
Middle names for Kasey · Sibling names for Kasey
Questions about the name Kasey
What does Kasey mean?
Kasey means “variant of Casey; "watchful"” (Irish, American English origin). Certainty: well established.
How popular is the name Kasey?
Kasey was the 1162nd most popular name for boys in 2025, given to 180 babies. Its best year was 1988, when it ranked 454th; the most babies were born in 1990 (467). Over the last ten years it has moved up 411 places. More babies were named Kasey in the 1990s than in any other decade.
Is Kasey a boy or girl name?
In 2021–2025, 46% girls, 54% boys given the name Kasey in the US.
Where is Kasey most popular?
In 2021–2025, Kasey was most common in Mississippi (0.39 per 1,000 boys), followed by Louisiana and Washington.