Recorded 1991–2025 · United States
Rileigh was most popular in 2008, when 226 American babies were given the name — ranking #2,026 that year. In 2025 it ranked #8,844, with 25 births. Across 1880–2025 the Social Security Administration has recorded 3,882 people named Rileigh.
Rileigh first appears in Social Security Administration records in 1991, which makes it about 34 years old as a recorded American name. It has been recorded in 35 of the 35 years since.
The Social Security Administration has recorded 3,882 American births named Rileigh 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 3,847 are estimated to be alive today.
25 American babies were named Rileigh in 2025, ranking #8,844 that year.
Rileigh is falling. Across 2021–2025 it averaged 37 births a year, against 161 a year across 2011–2015 — a change of -77% 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 Rileigh is a girl’s name — 98.7% of the 3,882 Americans given it were girls and 1.3% 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 3,847 Americans named Rileigh are alive today — 99% of everyone ever recorded with the name. The median is 18 years old, and half are between 13 and 23. That is a narrow band: Rileigh 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 Rileigh on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org