How Many People Are Named Callahan?
An estimated 5,299 people in the United States have the first name Callahan. It is used for both genders, with 83.5% male. The average bearer is 9 years old, and Callahan peaked in popularity in 2024 with 991 births that year.
Below you will find a full statistical profile of Callahan as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Callahan paired with any surname.
Key Insights
- Callahan is a modern name. With an average bearer age of just 9, it has gained most of its popularity in recent years.
Estimated Living Americans
5,299
About 1 in 64,683 people in the U.S.
Rarity
Rare
Predicted Gender
Male
83.5% confidence
Average Age
9
years old
Peak Year
2024
991 births
Total Registered
5,345
since 1880
Gender Distribution for Callahan
Callahan is predominantly male (83.5%), though 884 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Callahan as a male name
Ranked #363 in 2024
907 male births in 2024
Peak: 2024 (907 births)
Callahan as a female name
Ranked #2,233 in 2024
84 female births in 2024
Peak: 2024 (84 births)
Callahan: Popularity Over Time
SSA records for Callahan span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2020s, when 3,157 babies were registered. Callahan remains highly popular today, with recent registration numbers near its historical peak.
Callahan by Decade
How has Callahan tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Callahan by State
Birth registrations for Callahan span all 43 states and territories in the SSA database. The highest counts are in Texas, California, Ohio. The lowest are in West Virginia, Rhode Island, Connecticut. On average, about 78 Callahans were registered per state.
Callahan + Last Name Combinations
How many people share a full name with Callahan as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Callahan
Other first names starting with C with a similar number of bearers.
Callahan: Questions and Answers
How many people in the U.S. are named Callahan?
We estimate approximately 5,299 people named Callahan are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 64,683 Americans share this first name.
Is Callahan a common name?
Callahan is classified as "Rare" and is more popular than 96.7% of all first names in the SSA database. A total of 5,345 births have been registered with this name since 1880.
When was Callahan most popular?
Callahan reached peak popularity in 2024, when 991 babies were given this name. The average age of a living person named Callahan is approximately 9 years old, reflecting when the name was most commonly given.
Is Callahan a male name?
Callahan is predominantly male. 83.5% of people with this name are male. See the gender breakdown above for full details.
How many Callahan Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Callahan Smith, Callahan Johnson, Callahan Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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