Recorded 1880–2025 · United States
Phineas was most popular in 2016, when 142 American babies were given the name — ranking #2,813 that year. In 2025 it ranked #3,422, with 105 births. Across 1880–2025 the Social Security Administration has recorded 2,803 people named Phineas.
The Social Security Administration’s records begin in 1880, and Phineas 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 74 of the 146 years since.
The Social Security Administration has recorded 2,803 American births named Phineas 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 2,641 are estimated to be alive today.
105 American babies were named Phineas in 2025, ranking #3,422 that year.
Phineas is holding steady. Across 2021–2025 it averaged 111 births a year, against 105 a year across 2011–2015 — a change of +6% 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 Phineas is a boy’s name — 0.0% of the 2,803 Americans given it were girls and 100.0% were boys. In births since 2016 it is 0% girls and 100% 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 2,641 Americans named Phineas are alive today — 94% of everyone ever recorded with the name. The median is 12 years old, and half are between 6 and 17. That is a narrow band because Phineas is a young name — it only became common recently, so almost everyone carrying it is still a child or a young adult.
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 Phineas on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org