Spellings
Theo or Teo?
In the US in 2025, 93% of babies in this name family were spelled Theo and 7% Teo. Same name, slightly different impression: here are the figures for each spelling.
Theo93% of the family3,945 born in 2025#82 among boys×5 since 2015Teo7% of the family318 born in 2025#793 among boys×4 since 2015
Ten years ago
Theo already led in 2015, with 90% of the family's births; it has 93% in 2025. All spellings together, the family went from 853 to 4,263 births (×5).
| Spelling | 2015 | 2025 | Change |
|---|---|---|---|
| Theo | 765 | 3,945 | ×5 |
| Teo | 88 | 318 | ×4 |
How they sound
- Theo /ˈθioʊ/ (THEE-oh)
- Teo /ˈteɪoʊ/ (TAY-oh)
In France
In France in 2025: Theo 1,150 births (#41 among boys) and Teo 65 births (#631 among boys).
Sources: Social Security Administration (SSA), Insee (France), 2025 data. How we calculate these figures.
Which spelling is yours?
The one-minute style quiz.