Recorded 1984–2025 · United States
Izaiah was most popular in 2009, when 744 American babies were given the name — ranking #828 that year. In 2025 it ranked #1,287, with 439 births. Across 1880–2025 the Social Security Administration has recorded 14,909 people named Izaiah.
Izaiah first appears in Social Security Administration records in 1984, which makes it about 41 years old as a recorded American name. It has been recorded in 40 of the 42 years since.
The Social Security Administration has recorded 14,909 American births named Izaiah 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 14,746 are estimated to be alive today.
439 American babies were named Izaiah in 2025, ranking #1,287 that year.
Izaiah is holding steady. Across 2021–2025 it averaged 493 births a year, against 654 a year across 2011–2015 — a change of -25% 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 Izaiah is a boy’s name — 0.1% of the 14,909 Americans given it were girls and 99.9% 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 14,746 Americans named Izaiah are alive today — 99% of everyone ever recorded with the name. The median is 14 years old, and half are between 8 and 19. That is a narrow band: Izaiah 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.
A variant of Isaiah · Hebrew · "the Lord is salvation"
How much more common the name is in each state than across the country as a whole.
See Izaiah on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org