Theseus
Every Theseus since 2010 — 442 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Theseus
Theseus is rare for boys in the United States, ranked #5,181 in 2025 with 19 babies given the name. It is currently declining compared with a decade ago.
Since 2010, 442 American babies have been named Theseus. Its peak came in 2015, when 44 newborns received the name — the signature sound of the 2010s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Theseus stood among all boys' names in any year, or use the compare tool to plot it against other names.
Theseus year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Boys | Boys rank |
|---|---|---|
| 2025 | 19 | #5,181 |
| 2024 | 30 | #3,778 |
| 2023 | 25 | #4,327 |
| 2022 | 24 | #4,422 |
| 2021 | 33 | #3,488 |
| 2020 | 23 | #4,408 |
| 2019 | 31 | #3,628 |
| 2018 | 24 | #4,341 |
| 2017 | 29 | #3,760 |
| 2016 | 35 | #3,282 |
| 2015 | 44 | #2,760 |
| 2014 | 43 | #2,800 |
| 2013 | 31 | #3,488 |
| 2012 | 41 | #2,900 |
| 2011 | 5 | #14,141 |
| 2010 | 5 | #14,051 |
| 2009 | — | — |
| 2008 | — | — |
| 2007 | — | — |
| 2006 | — | — |
| 2005 | — | — |
| 2004 | — | — |
| 2003 | — | — |
| 2002 | — | — |
| 2001 | — | — |
| 2000 | — | — |
| 1995 | — | — |
| 1990 | — | — |
| 1985 | — | — |
| 1980 | — | — |
| 1975 | — | — |
| 1970 | — | — |
| 1965 | — | — |
| 1960 | — | — |
| 1955 | — | — |
| 1950 | — | — |
| 1945 | — | — |
| 1940 | — | — |
| 1935 | — | — |
| 1930 | — | — |
| 1925 | — | — |
| 1920 | — | — |
| 1915 | — | — |
| 1910 | — | — |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Frequently asked questions
How popular is the name Theseus in 2025?
Theseus ranked #5,181 among boys' names in the United States in 2025, with 19 babies given the name, according to Social Security Administration data.
How many people are named Theseus?
442 babies have been named Theseus in the United States since 2010, based on Social Security card applications.
When was the name Theseus most popular?
Theseus peaked in 2015, when 44 newborns received the name.
Is Theseus a boy or girl name?
Theseus is overwhelmingly a boy's name — 100% of babies with the name.
Is the name Theseus rising or falling?
Theseus is declining — less popular now than a decade ago.