Recorded 1982–2025 · United States
Jailyn was most popular in 2007, when 319 American babies were given the name — ranking #1,590 that year. In 2025 it ranked #3,970, with 84 births. Across 1880–2025 the Social Security Administration has recorded 5,886 people named Jailyn.
Jailyn first appears in Social Security Administration records in 1982, which makes it about 43 years old as a recorded American name. It has been recorded in 38 of the 44 years since.
The Social Security Administration has recorded 5,886 American births named Jailyn 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 5,828 are estimated to be alive today.
84 American babies were named Jailyn in 2025, ranking #3,970 that year.
Jailyn is falling. Across 2021–2025 it averaged 117 births a year, against 165 a year across 2011–2015 — a change of -29% 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 Jailyn is mostly a girl’s name — 86.7% of the 5,886 Americans given it were girls and 13.3% were boys. In births since 2016 it is 89% girls and 11% 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 5,828 Americans named Jailyn are alive today — 99% of everyone ever recorded with the name. The median is 19 years old, and half are between 12 and 24. That is a narrow band: Jailyn 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 Jailyn on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org