Recorded 1943–2025 · United States
Loni was most popular in 1980, when 332 American babies were given the name — ranking #1,015 that year. In 2025 it ranked #11,831, with 16 births. Across 1880–2025 the Social Security Administration has recorded 3,878 people named Loni.
Loni first appears in Social Security Administration records in 1943, which makes it about 82 years old as a recorded American name. It has been recorded in 82 of the 83 years since.
The Social Security Administration has recorded 3,878 American births named Loni 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 3,652 are estimated to be alive today.
16 American babies were named Loni in 2025, ranking #11,831 that year.
Loni is too rare for a direction to mean much. It averaged 16 births a year across 2021–2025 against 9 a year a decade earlier — at these counts a single baby moves the percentage, and any year under five births is withheld at source.
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 Loni is a girl’s name — 97.2% of the 3,878 Americans given it were girls and 2.8% 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 3,652 Americans named Loni are alive today — 94% of everyone ever recorded with the name. The median is 44 years old, and half are between 37 and 49. That is a narrow band: Loni 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 Loni on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org