Recorded 1953–2025 · United States
Sky was most popular in 2014, when 510 American babies were given the name — ranking #1,125 that year. In 2025 it ranked #1,445, with 373 births. Across 1880–2025 the Social Security Administration has recorded 13,948 people named Sky.
Sky first appears in Social Security Administration records in 1953, which makes it about 72 years old as a recorded American name. It has been recorded in 73 of the 73 years since.
The Social Security Administration has recorded 13,948 American births named Sky 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 13,698 are estimated to be alive today.
373 American babies were named Sky in 2025, ranking #1,445 that year.
Sky is holding steady. Across 2021–2025 it averaged 457 births a year, against 421 a year across 2011–2015 — a change of +9% 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 Sky is a unisex name — 69.8% of the 13,948 Americans given it were girls and 30.2% were boys. It changed hands: since 1987 it has gone mainly to girls, having gone mainly to boys before that. In births since 2016 it is 78% girls and 22% 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 13,698 Americans named Sky are alive today — 98% of everyone ever recorded with the name. The median is 17 years old, and half are between 8 and 27.
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 Sky on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org