Recorded 1971–2025 · United States
Kaitlin was most popular in 1995, when 3,612 American babies were given the name — ranking #200 that year. In 2025 it ranked #7,111, with 35 births. Across 1880–2025 the Social Security Administration has recorded 57,430 people named Kaitlin.
Kaitlin first appears in Social Security Administration records in 1971, which makes it about 54 years old as a recorded American name. It has been recorded in 54 of the 55 years since.
The Social Security Administration has recorded 57,430 American births named Kaitlin 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 56,450 are estimated to be alive today.
35 American babies were named Kaitlin in 2025, ranking #7,111 that year.
Kaitlin is falling. Across 2021–2025 it averaged 31 births a year, against 268 a year across 2011–2015 — a change of -88% 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 Kaitlin is a girl’s name — 99.9% of the 57,430 Americans given it were girls and 0.1% were boys. In births since 2016 it is 100% girls and 0% 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 56,450 Americans named Kaitlin are alive today — 98% of everyone ever recorded with the name. The median is 32 years old, and half are between 27 and 36. That is a narrow band: Kaitlin arrived and faded within about a decade rather than staying in steady use.
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.
How much more common the name is in each state than across the country as a whole.
See Kaitlin on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org