The first name Theodorus
A unisex name.
3 syllables Unisex
Popularity
Babies registered in England and Wales, 1996–2025
In 2025, 3 boys were named Theodorus, making it the 5,137th most popular boys’ name. It peaked in 2023, with 3 births (#4,991).
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Theodorus with other names.
Popularity in the United States
Babies named Theodorus at birth, 1880–2025
In 2025, 5 boys born in the United States were named Theodorus, the 13,689th most popular boys’ name that year. It was used most in 2024, when 14 were.
US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.
Famous people named Theodorus
12 on Wikidata, most written-about first
- Theodorus Frederik van CapellenDutch admiral, 1762–1824
- Theodorus BaileyAmerican politician (1758-1828)
- Theodorus van der CroonArchbishop of Utrecht from 1734 to 1739
- Theodorus Janssonius van AlmeloveenDutch classical scholar (1657-1712)
- Theodorus MoretusFlemish mathematician, geometer, theologian, music theorist, Jesuit, 1602–1667
- Theo Van GoghDutch art dealer (1857-1891), brother of painter Vincent van Gogh
- Theo JansenDutch artist (born 1948)
- Theo HeemskerkDutch politician (1852-1932)
- Martin Theodoor HoutsmaDutch orientalist (1851-1943)
- A.F.Th. van der HeijdenDutch author (born 1951)
- Mental TheoDutch record producer and DJ, born 1965
- Pieter OosterhoffDutch astronomer (1904–1978)
Questions
- How popular is the name Theodorus?
- In 2025, 3 boys born in England and Wales were named Theodorus, ranking 5,137th. Its peak was 2023, with 3 births.
- When was Theodorus most popular?
- 2024 in the United States, when 14 babies were named Theodorus, its highest rank at 6,436th.