Recorded 1888–2025 · United States
Casey was most popular in 1987, when 7,510 American babies were given the name — ranking #97 that year. In 2025 it ranked #516, with 1,300 births. Across 1880–2025 the Social Security Administration has recorded 194,775 people named Casey.
Casey first appears in Social Security Administration records in 1888, which makes it about 137 years old as a recorded American name. It has been recorded in 132 of the 138 years since.
The Social Security Administration has recorded 194,775 American births named Casey between 1880 and 2025. That is recorded US births, not a world population — it counts people issued a Social Security number at birth in the United States. Of those, roughly 184,745 are estimated to be alive today.
1,300 American babies were named Casey in 2025, ranking #516 that year.
Casey is rising. Across 2021–2025 it averaged 1,232 births a year, against 940 a year across 2011–2015 — a change of +31% over the decade.
Measured on recorded births. American births overall have fallen since 2007, so most established names lose births over any recent decade — a name can shed births and still hold its rank. Compare the rank above, which is measured against the other names of the same year.
Across the whole record Casey is a unisex name — 40.1% of the 194,775 Americans given it were girls and 59.9% were boys. It changed hands: since 1999 it has gone mainly to boys, having gone mainly to girls before that. In births since 2016 it is 26% girls and 74% boys.
Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.
Roughly 184,745 Americans named Casey are alive today — 95% of everyone ever recorded with the name. The median is 37 years old, and half are between 29 and 44.
An estimate, not a count. Recorded births are carried forward through the Social Security Administration’s 2023 period life table, by age and sex. That table describes mortality in one recent year, so it credits the oldest cohorts with today’s survival rather than the harsher rates they actually lived through — the further back a name peaked, the more this will overstate how many remain. It counts people issued a Social Security number at birth, not immigrants who arrived later.
Irish · "vigilant, watchful"
How much more common the name is in each state than across the country as a whole.
See Casey on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org