# Theodosius (first name)

Source: https://namelineage.com/first-name/theodosius/  
Publisher: Name Lineage. US counts from the Social Security Administration; England and Wales counts from the Office for National Statistics; meaning and etymology from Wiktionary. Data updated 2026-11-11.

| Field | Value |
|---|---|
| Usually given to | boys |
| Origin | Greek |
| Meaning | not recorded |
| Pronunciation | not recorded |
| Nicknames | none recorded |
| Variant spellings | none recorded |
| US babies named this | 10 since 1880 |
| Boys / girls in the US | 10 / 0 (0% girls) |
| Babies in England and Wales | not in the ONS data |

## Etymology

From Latin Theodosius, from Ancient Greek.

## Popularity

The last 15 years of each series. A year is missing when too few babies were given the name for the agency to publish it: five in the US, three in England and Wales.

### United States, boys

| Year | Babies | Rank |
|---|---|---|
| 2025 | 10 | 8,186 |

## In other languages

- Arabic: ثَاوُدُسِيُوس, ثِيُودُوسِيُوس
- Bulgarian: Теодосий
- Finnish: Theodosius
- French: Théodose
- Greek: Θεοδόσιος
- Italian: Teodosio
- Korean: 테오도시우스
- Latin: Theodosius
- Polish: Teodozjusz
- Portuguese: Teodósio
- Russian: Феодо́сий

## People named Theodosius

- Theodosius Dobzhansky, geneticist and evolutionary biologist (1900-1975)
- Theodosius Harnack, Baltic German theologian (1817–1889)
- Theodosius of Tarnovo, Bulgarian saint
- Theodosius II of Abkhazia, 9th-century Georgian king
- Theodosius of Skopje, Bulgarian religious figure from Macedonia
- Teodósio I, 5th Duke of Braganza

## How to read these numbers

A count is babies registered with that name in that year, not people alive now, so a name common a century ago can have a large total and few recent births.