Baby name
Theo
Girl Boy
9% girls / 91% boys
Origin of the name
Theo is a short form of Theodore and other names beginning with the Greek theos, “God.”
Show the…
Rising name
35,830births since 1880
2020sgeneration
No. 78rank at its peak, in 2023
Where babies named Theo are born
Loading the map…
Tap a state to see its figures.
The darker the blue, the more common Theo is in the state, compared with its births. White: no births published that year.
Where it is most popular
Compared with the national average, Theo is most common in Utah (2.4 times), Nevada (2) and Washington (1.8), taking into account all births in each state since 1910.
One letter apart
- Teo 2,987
Names from the same era
Comeback name
3,503births since 1880
1920sgeneration
No. 705rank at its peak, in 1924
Where babies named Theo are born
Loading the map…
Tap a state to see its figures.
The darker the blue, the more common Theo is in the state, compared with its births. White: no births published that year.
One letter apart
Names from the same era
Born in…
Add your year to see.
Girls and boys, decade by decade
| Decade | Girls | Boys |
|---|---|---|
| 1880s | 58% | 42% |
| 1890s | 64% | 36% |
| 1900s | 57% | 43% |
| 1910s | 51% | 49% |
| 1920s | 47% | 53% |
| 1930s | 35% | 65% |
| 1940s | 43% | 57% |
| 1950s | 32% | 68% |
| 1960s | 17% | 83% |
| 1970s | 5% | 95% |
| 1980s | 0% | 100% |
| 1990s | 1% | 99% |
| 2000s | 0% | 100% |
| 2010s | 1% | 99% |
| 2020s | 1% | 99% |