Name comparison · boy names
Theo vs. Theodore
In 2025, Theodore leads at #4 among U.S. boys' names, with Theo at #82. The full 145-year picture below shows how the two names got here.
Popularity since 1880
Head to head
| Metric | Theo | Theodore |
|---|---|---|
| Trend | Rising | Rising |
| 2025 rank | #82 | #4 |
| Babies in 2025 | 3,945 | 13,355 |
| All-time peak | #78 in 2023 | #4 in 2024 |
| Uniqueness score | 18 / 100 | 3 / 100 |
| Strongest state | Hawaii (#26) | Wyoming (#1) |