The first name Theodosius
A boy’s name from Greek.
3 syllables Male
Meaning and origin
Greek origin
From Latin Theodosius, from Ancient Greek.
From Wiktionary (CC BY-SA 4.0).
Popularity in the United States
Babies named Theodosius at birth, 1880–2025
In 2025, 10 boys born in the United States were named Theodosius, the 8,186th most popular boys’ name that year.
10
babies named Theodosius since 1880
#8,186
rank in 2025
2025
peak year
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.
Theodosius in other languages
Equivalent forms of the name, from Wiktionary
ثَاوُدُسِيُوس
ṯāwudusiyūs
Arabic, also ثِيُودُوسِيُوس
Теодосий
Teodosij
Bulgarian
Théodose
French
Θεοδόσιος
Theodósios
Greek
Teodosio
Italian
테오도시우스
Te'odosiuseu
Korean
Teodozjusz
Polish
Teodósio
Portuguese
Феодо́сий
Feodósij
Russian
Spelled Theodosius in Finnish and Latin too.
Famous people named Theodosius
6 on Wikidata, most written-about first
- Theodosius DobzhanskyGeneticist and evolutionary biologist (1900-1975)
- Theodosius HarnackBaltic German theologian (1817–1889)
- Theodosius of TarnovoBulgarian saint, 1300–1363
- Theodosius II of Abkhazia9th-century Georgian king
- Theodosius of SkopjeBulgarian religious figure from Macedonia, 1846–1926
- Teodósio I5th Duke of Braganza, 1510–1563
More Greek boys’ names
Questions
- What does the name Theodosius mean?
- From Latin Theodosius, from Ancient Greek.
- What is the origin of the name Theodosius?
- From Latin Theodosius, from Ancient Greek.
- When was Theodosius most popular?
- 2025 in the United States, when 10 babies were named Theodosius, its highest rank at 8,186th.