# Theodorus (first name)

Source: https://namelineage.com/first-name/theodorus/  
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 and girls |
| Origin | not recorded |
| Meaning | not recorded |
| Pronunciation | not recorded |
| Nicknames | none recorded |
| Variant spellings | none recorded |
| US babies named this | 35 since 1880 |
| Boys / girls in the US | 35 / 0 (0% girls) |
| Babies in England and Wales | 6, 1996 to 2025 |

## 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 |
|---|---|---|
| 2020 | 7 | 10,490 |
| 2021 | 9 | 8,763 |
| 2024 | 14 | 6,436 |
| 2025 | 5 | 13,689 |

### England and Wales, boys

| Year | Babies | Rank |
|---|---|---|
| 2023 | 3 | 4,991 |
| 2025 | 3 | 5,137 |

## People named Theodorus

- Theodorus Frederik van Capellen, Dutch admiral
- Theodorus Bailey, American politician (1758-1828)
- Theodorus van der Croon, Archbishop of Utrecht from 1734 to 1739
- Theodorus Janssonius van Almeloveen, Dutch classical scholar (1657-1712)
- Theodorus Moretus, Flemish mathematician, geometer, theologian, music theorist, Jesuit
- Theo Van Gogh, Dutch art dealer (1857-1891), brother of painter Vincent van Gogh
- Theo Jansen, Dutch artist (born 1948)
- Theo Heemskerk, Dutch politician (1852-1932)
- Martin Theodoor Houtsma, Dutch orientalist (1851-1943)
- A.F.Th. van der Heijden, Dutch author (born 1951)
- Mental Theo, Dutch record producer and DJ
- Pieter Oosterhoff, Dutch astronomer (1904–1978)

## 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.