Theseus is a boy name with a rare feel, drawn from real birth records. Below you'll find how many babies have been named Theseus across the United States, UK, Ireland and New Zealand, how popular Theseus has been over the decades, and the year it peaked.
| Country | Births on record |
|---|---|
| United States since 1880 | 442 births |
| England & Wales since 1996 | 9 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Theseus per year, United States (2010 to 2025). United States peaked in 2015 (44/yr) · England & Wales peaked in 2025 (5/yr).
Theseus is a rare baby name in the United States. It was most common in 2015, when it ranked #6,188 nationally (given to 44 babies that year).
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