Theodor
How to say it: TAY-uh-dor · /ˈteɪədɔr/
German and Scandinavian form of Greek Theodoros 'gift of God' - classic royal name.
Theodor was the 6th most popular boys’ name in the United States in 2025, given to 76 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 3.2-fold in ten years, and it is projected to rise to #2 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #6 |
|---|---|
| Babies born in 2025 | 76 |
| Share of births | 1 in 246 |
| Peak decade | 2020s |
| Change over 10 years | ×3.2 |
| Projected rank for 2030 (estimate) | #2 |
| In France, 2025 | #184 among boys’ names, 15 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Theodor is climbing: the 2020s are already its best decade.
What goes with it
Parents who love Theodor also love
Nicknames
- Theo
- Ted
Honouring a Theodor in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Theodor is about 1 in 11.
Around the world
This spelling is used in Czech, Danish, Dutch, English, Finnish, French, German, Greek, Norwegian, Swedish.
In France: #184 for boys in 2025.
Famous people named Theodor
- Theodor Mommsen (1817–1903)German classical scholar and historian
- Theodor W. Adorno (1903–1969)German philosopher, sociologist and theorist
- Theodor Herzl (1860–1904)Father of modern political Zionism
From Wikidata and Wikipedia
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