Callahan
Boy name · #227 in 2025 · Well-known
Callahan ranks #227 among American boys' names as of 2025, with 1,566 newborns given the name that year. A decade ago it stood at #1804, so the name has been rising over the past ten years. Roughly one in every 1,149 boys born in 2025 was named Callahan.
Babies named Callahan per year. Source: SSA.
The 42-year story
Callahan first appears in the Social Security records in 1983, when 5 boys received the name. Its all-time peak is essentially right now: 2025, with 1,566 babies and a rank of #227. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Callahan against up to 5 other names.
Uniqueness: will there be another Callahan in class?
On our rarity read — which blends how common Callahan is today with its five-year momentum — the name reads as "well-known". A low score means broad familiarity: teachers will spell it right, and your child may share it with a classmate. For many families that's a feature, not a bug.
Where Callahan is most common
Geography matters for names, and Callahan is no exception. Adjusted for how many boys are born in each state, Callahan is most common in MT (4 per 1,000), NH (3.6 per 1,000), SD (3.4 per 1,000), ND (3.3 per 1,000), WI (2.6 per 1,000) — against a national average of about 1.1 per 1,000 boys. These are per-capita rates, so they show where Callahan is a genuine regional favorite rather than just where the most babies are born.
Names like Callahan
Statistically, parents drawn to Callahan tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Callan, Eithan, Cassian, Neithan, and Cillian.
CallanEithanCassianNeithanCillianCaspianMilanShepherd
Rank history (last 25 years)
| Year | Babies named Callahan | Rank |
|---|---|---|
| 2025 | 1,566 | #227 |
| 2024 | 908 | #364 |
| 2023 | 665 | #461 |
| 2022 | 571 | #519 |
| 2021 | 410 | #660 |
| 2020 | 288 | #806 |
| 2019 | 244 | #897 |
| 2018 | 200 | #1026 |
| 2017 | 166 | #1141 |
| 2016 | 115 | #1484 |
| 2015 | 83 | #1804 |
| 2014 | 77 | #1884 |
| 2013 | 57 | #2250 |
| 2012 | 47 | #2594 |
| 2011 | 37 | #3046 |
| 2010 | 43 | #2787 |
| 2009 | 42 | #2847 |
| 2008 | 41 | #2879 |
| 2007 | 28 | #3687 |
| 2006 | 35 | #3083 |
| 2005 | 35 | #2960 |
| 2004 | 41 | #2599 |
| 2003 | 29 | #3186 |
| 2002 | 27 | #3259 |
| 2001 | 33 | #2797 |
Frequently asked questions
Is Callahan a popular boy name?
Callahan ranked #227 among boys in 2025 with 1,566 babies given the name — inside the top 500: established but not ubiquitous. Ten years earlier it ranked #1804.
When was the name Callahan most popular?
Callahan peaked in 2025, when 1,566 American boys received the name (ranked #227 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Callahan?
In 2025, roughly 1 in 1,149 newborn American boys was named Callahan. On our rarity scale (rarity blended with momentum) we classify it as "well-known".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.