Recorded 1922–2024 · United States
Leslee was most popular in 1957, when 126 American babies were given the name — ranking #1,551 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 5,001 people named Leslee.
Leslee first appears in Social Security Administration records in 1922, which makes it about 103 years old as a recorded American name. It has been recorded in 88 of the 104 years since.
The Social Security Administration has recorded 5,001 American births named Leslee 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 4,414 are estimated to be alive today.
Leslee was not recorded in 2025. The SSA withholds any name given to fewer than five babies in a year, so fewer than five American babies were given it.
Leslee is too rare for a direction to mean much. It averaged 9 births a year across 2021–2025 against 15 a year a decade earlier — at these counts a single baby moves the percentage, and any year under five births is withheld at source.
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 Leslee is a girl’s name — 98.1% of the 5,001 Americans given it were girls and 1.9% 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 4,414 Americans named Leslee are alive today — 88% of everyone ever recorded with the name. The median is 54 years old, and half are between 40 and 67.
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 Leslee on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org