Recorded 1886–2025 · United States
London was most popular in 2013, when 3,879 American babies were given the name — ranking #176 that year. In 2025 it ranked #734, with 863 births. Across 1880–2025 the Social Security Administration has recorded 54,779 people named London.
London first appears in Social Security Administration records in 1886, which makes it about 139 years old as a recorded American name. It has been recorded in 110 of the 140 years since.
The Social Security Administration has recorded 54,779 American births named London 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 53,978 are estimated to be alive today.
863 American babies were named London in 2025, ranking #734 that year.
London is falling. Across 2021–2025 it averaged 1,194 births a year, against 3,656 a year across 2011–2015 — a change of -67% 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 London is mostly a girl’s name — 81.2% of the 54,779 Americans given it were girls and 18.8% were boys. It changed hands: since 1990 it has gone mainly to girls, having gone mainly to boys before that. In births since 2016 it is 86% girls and 14% 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 53,978 Americans named London are alive today — 99% of everyone ever recorded with the name. The median is 13 years old, and half are between 9 and 17. That is a narrow band because London 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 London on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org