Theseus
Theseus was the #5,045 boys' name in the US in 2025 (19 babies), and #3,684 in England & Wales and #2,789 in Canada.
Theseus as a boy’s name
- US
- England & Wales
- Canada
Show the numbers
| Year | US | England & Wales | Canada |
|---|---|---|---|
| 2025 | #5,045 (19) | #3,684 (5) | #2,789 (6) |
| 2024 | #3,693 (30) | — | — |
| 2023 | #4,220 (25) | — | — |
| 2022 | #4,303 (24) | #4,002 (4) | — |
| 2021 | #3,427 (33) | #4,789 (3) | #2,812 (5) |
| 2020 | #4,275 (23) | — | #2,746 (5) |
| 2019 | #3,571 (31) | — | — |
| 2018 | #4,226 (24) | — | — |
| 2017 | #3,678 (29) | — | — |
| 2016 | #3,230 (35) | — | — |
| 2015 | #2,722 (44) | — | — |
| 2014 | #2,754 (43) | — | — |
| 2013 | #3,405 (31) | — | — |
| 2012 | #2,869 (41) | — | — |
| 2011 | #12,287 (5) | — | — |
The tide so far
- Peaked in the US in 2015 at #2,722.
- Holding steady over the last five years.
- First recorded in the US in 2010.
How common is it?
about 1 in 91,000 baby boys in the published US list for 2025.
In a group of 1,000 children born that year, you would expect to meet fewer than 1. How we work this out.
How common, country by country
| Where | Sex | Latest year | Share | Verdict |
|---|---|---|---|---|
| US | Boys | 2025 | about 1 in 91,000 | rare |
| England & Wales | Boys | 2025 | about 1 in 56,000 | rare |
| Canada | Boys | 2025 | about 1 in 26,000 | rare |
Next year
On its recent trend, Theseus is likely to hold steady in the US in 2026: about 1 in 88,000 baby boys. Likely range 1 in 62,000 to 1 in 120,000.
Estimate, not an official figure. How we estimate.
Spellings
Official statistics count each spelling separately, so we show them side by side rather than adding them up.
| Spelling | Where | Sex | Latest rank | Babies |
|---|---|---|---|---|
| Theseus | Canada | Boys | #2,789 | 6 |
| Theseus | England & Wales | Boys | #3,684 | 5 |
| Theseus | US | Boys | #5,045 | 19 |