Name comparison · boy names
Callahan vs. Callum
In 2025, Callum leads at #118 among U.S. boys' names, with Callahan at #227. The full 145-year picture below shows how the two names got here.
Popularity since 1880
Head to head
| Metric | Callahan | Callum |
|---|---|---|
| Trend | Rising | Rising |
| 2025 rank | #227 | #118 |
| Babies in 2025 | 1,566 | 2,995 |
| All-time peak | #227 in 2025 | #118 in 2025 |
| Uniqueness score | 29 / 100 | 21 / 100 |
| Strongest state | Montana (#76) | New Hampshire (#38) |