Recorded 1912–2025 · United States
Windsor was most popular in 2024, when 57 American babies were given the name — ranking #5,129 that year. In 2025 it ranked #6,835, with 37 births. Across 1880–2025 the Social Security Administration has recorded 1,040 people named Windsor.
Windsor first appears in Social Security Administration records in 1912, which makes it about 113 years old as a recorded American name. It has been recorded in 79 of the 114 years since.
The Social Security Administration has recorded 1,040 American births named Windsor 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 820 are estimated to be alive today.
37 American babies were named Windsor in 2025, ranking #6,835 that year.
Windsor is rising. Across 2021–2025 it averaged 42 births a year, against 24 a year across 2011–2015 — a change of +72% 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 Windsor is a unisex name — 45.8% of the 1,040 Americans given it were girls and 54.2% were boys. In births since 2016 it is 71% girls and 29% 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 820 Americans named Windsor are alive today — 79% of everyone ever recorded with the name. The median is 10 years old, and half are between 5 and 24.
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.
See Windsor on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org