September
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Meaning
the name of the month, from Latin for "seventh month" in the old Roman year, sometimes given to babies born in September
How popular is September around the world?
In the United States, 143 babies were named September between 2020 and 2025.
September is on the official records of the United States.
United States
1 in 150,000
In the United States, 143 babies were named September between 2020 and 2025.
Shape drawn from US Social Security baby-name records. September has stayed rare in US records the whole time: no peak decade to name.
Births with a Social Security record. Source: U.S. Social Security Administration
Not on 16 other recordsWhy
- Not on the record in Spain, Mexico City, Argentina, Puerto Rico, England and Wales, Canada, Ireland, New Zealand, Scotland and Poland: those registries withhold small counts, so rare uses may sit below their floors.
- Not on the Chile record: nametree keeps spellings that reached 5 registrations in some year, so rarer uses are not shown.
- Not on the Montevideo record for 1940 to 2011: that registry withholds nothing, so this spelling was not given there in those years.
- Not on the France record: nametree keeps spellings that reached 20 births in some year, so rarer uses are not shown.
- Not on the South Australia record for 1944 to 2017: that registry withholds nothing, so this spelling was not given there in those years.
- Not on the Austria record for 1984 to 2025: Statistik Austria publishes every first name down to a single birth, so this name was not given there in those years (before 2010 the record covers babies with Austrian citizenship only).
- Not on Norway’s list: Statistics Norway lists only first names carried by 200 or more living people, so rarer names are not shown.
When you meet September
People given the name September in the United States span the generations: the middle half were born anywhere from 1970 to 2009. Age is the one thing the name won't tell you.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The September deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where September truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how September fits with your family’s names and surname.
Does September fit YOUR family?
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