Flo
Recorded 1881–2024 · United States
Flo was most popular in 1917, when 57 American babies were given the name — ranking #1,718 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 2,094 people named Flo.
Flo over time
How old is the name Flo?
Flo first appears in Social Security Administration records in 1881, which makes it about 144 years old as a recorded American name. It has been recorded in 85 of the 145 years since.
How many people are named Flo?
The Social Security Administration has recorded 2,094 American births named Flo 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 433 are estimated to be alive today.
How many babies were named Flo in 2025?
Flo was not recorded in 2025. The SSA withholds any name given to fewer than five babies in a year, so fewer than five American babies were given it.
Is Flo getting more or less popular?
Flo is new. It was not recorded at all a decade ago and averaged 5 births a year across 2021–2025.
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.
Is Flo a boy’s or a girl’s name?
Across the whole record Flo is a girl’s name — 100.0% of the 2,094 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.
How old is someone named Flo?
Roughly 433 Americans named Flo are alive today — 21% of everyone ever recorded with the name. The median is 79 years old, and half are between 70 and 86.
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.
Where Flo is most concentrated
How much more common the name is in each state than across the country as a whole.
Explore further
See Flo on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org