Recorded 1880–2025 · United States
Adelia was most popular in 2017, when 112 American babies were given the name — ranking #3,282 that year. In 2025 it ranked #3,861, with 88 births. Across 1880–2025 the Social Security Administration has recorded 5,717 people named Adelia.
The Social Security Administration’s records begin in 1880, and Adelia is already there in that first year — so the name is older than the record and these figures cannot date it. It has been recorded in 146 of the 146 years since.
The Social Security Administration has recorded 5,717 American births named Adelia 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 2,896 are estimated to be alive today.
88 American babies were named Adelia in 2025, ranking #3,861 that year.
Adelia is holding steady. Across 2021–2025 it averaged 83 births a year, against 71 a year across 2011–2015 — a change of +18% 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 Adelia is a girl’s name — 100.0% of the 5,717 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 2,896 Americans named Adelia are alive today — 51% of everyone ever recorded with the name. The median is 20 years old, and half are between 9 and 56. That is a wide band, the mark of a name in steady use across generations rather than a passing fashion.
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 Adelia on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org