Recorded 1956–2025 · United States
Karlee was most popular in 2008, when 511 American babies were given the name — ranking #1,121 that year. In 2025 it ranked #3,468, with 103 births. Across 1880–2025 the Social Security Administration has recorded 13,647 people named Karlee.
Karlee first appears in Social Security Administration records in 1956, which makes it about 69 years old as a recorded American name. It has been recorded in 59 of the 70 years since.
The Social Security Administration has recorded 13,647 American births named Karlee 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 13,485 are estimated to be alive today.
103 American babies were named Karlee in 2025, ranking #3,468 that year.
Karlee is falling. Across 2021–2025 it averaged 160 births a year, against 428 a year across 2011–2015 — a change of -63% 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 Karlee is a girl’s name — 100.0% of the 13,647 Americans given it were girls and 0.0% 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 13,485 Americans named Karlee are alive today — 99% of everyone ever recorded with the name. The median is 21 years old, and half are between 13 and 29.
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 Karlee on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org