Theo
boy name#82 in 2025Theo entered the US charts in 1880, peaked at #78 in 2023, ranks #82 today — a fast riser climbing the charts.
Popularity 1880–2025
#82
rank today
#78
peak (2023)
3,945
babies in 2025
rising
a fast riser climbing the charts
Rank by decade
| Decade | Average rank |
|---|---|
| 1880s | #648 |
| 1890s | #612 |
| 1900s | #488 |
| 1910s | #578 |
| 1920s | #641 |
| 1930s | #755 |
| 1940s | #1024 |
| 1950s | #1241 |
| 1960s | #1396 |
| 1970s | #1479 |
| 1980s | #1488 |
| 1990s | #1584 |
| 2000s | #1188 |
| 2010s | #523 |
| 2020s | #109 |
Strongest states
Over the last decade, Theo has been most popular in CA, TX, NY.
Living bearers
About 32,500 people named Theo are estimated to be alive in the US today.
The typical Theo is a kid of about 3 — this name's wave is very recent.
Estimated from official SSA birth records and life tables.
Names similar in popularity
Frequently asked questions
- How popular is the name Theo in 2025?
- Theo ranks #82 among US boy names in 2025, with 3,945 babies given the name.
- When was the name Theo most popular?
- Theo peaked in 2023, reaching #78 among US boy names.
- Will my child share the name Theo with classmates?
- Theo will almost certainly be the only one in school.
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