Theo
Short form of Theodore, Greek for “gift of God,” now popular on its own.
Popularity, 1880–2025
Theo appears in the national records from the very first year, 1880. It has ranked among the top 100 names for American boys in every year from 2022 to 2025. Its biggest year was 2023, when 4,140 newborn boys received the name, ranking it No. 78 nationally. In 2025 it ranked No. 82 for boys. The name has also seen real use for girls: 3,503 of the 39,333 Americans given the name since 1880.
Related names
Other names that share a story: Theodore
Explore Theo interactively →By the decade
| Decade | Births | Best rank |
|---|---|---|
| 1880s | 93 | No. 479 |
| 1890s | 118 | No. 523 |
| 1900s | 226 | No. 401 |
| 1910s | 714 | No. 461 |
| 1920s | 980 | No. 592 |
| 1930s | 680 | No. 643 |
| 1940s | 440 | No. 846 |
| 1950s | 371 | No. 1052 |
| 1960s | 323 | No. 1144 |
| 1970s | 386 | No. 1111 |
| 1980s | 540 | No. 1003 |
| 1990s | 600 | No. 1370 |
| 2000s | 1,386 | No. 1012 |
| 2010s | 8,189 | No. 195 |
| 2020s | 20,784 | No. 78 |
Births and rank shown for boys, the sex more often given the name. The Social Security Administration omits name–year combinations with fewer than five births.
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Data: U.S. Social Security Administration national baby-name file, 1880–2025.