Callahan was the 245th most popular boys’ name in the United States in 2025, given to 1,566 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 18-fold in ten years, and it is projected to rise to #45 by 2030.
Updated · SSA 2025 data, published May 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #245 |
|---|---|
| Babies born in 2025 | 1,566 |
| Share of births | 1 in 2,117 |
| Peak decade | 2020s |
| Change over 10 years | ×18 |
| Projected rank for 2030 (estimate) | #45 |
Sources: Social Security Administration (SSA). How we compute these figures.
Its life, decade by decade
Callahan belongs almost entirely to recent decades and stands at its high in the 2020s. Continued growth is expected.
What goes with it
Sturdy and rolling with soft breathy strength. Cal serves as a nickname, while Sullivan shares its style.
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Callahan is about 1 in 89.
Around the world
This spelling is used in English, Irish.
Keep exploring
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