Recorded 1973–2025 · United States
Maci was most popular in 2011, when 1,737 American babies were given the name — ranking #391 that year. In 2025 it ranked #1,502, with 352 births. Across 1880–2025 the Social Security Administration has recorded 21,348 people named Maci.
Maci first appears in Social Security Administration records in 1973, which makes it about 52 years old as a recorded American name. It has been recorded in 50 of the 53 years since.
The Social Security Administration has recorded 21,348 American births named Maci 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 21,172 are estimated to be alive today.
352 American babies were named Maci in 2025, ranking #1,502 that year.
Maci is falling. Across 2021–2025 it averaged 441 births a year, against 1,393 a year across 2011–2015 — a change of -68% 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 Maci is a girl’s name — 100.0% of the 21,348 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 21,172 Americans named Maci are alive today — 99% of everyone ever recorded with the name. The median is 14 years old, and half are between 9 and 18. That is a narrow band because Maci 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 Maci on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org