How Many People Are Named Finnegan?
An estimated 12,434 people in the United States have the first name Finnegan. It is predominantly male (99.3%). The average bearer is 11 years old, and Finnegan peaked in popularity in 2021 with 865 births that year.
Below you will find a full statistical profile of Finnegan 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 Finnegan paired with any surname.
Key Insights
- While Finnegan is overwhelmingly male, 93 female births have been registered with this name since 1880.
- Finnegan is a modern name. With an average bearer age of just 11, it has gained most of its popularity in recent years.
Estimated Living Americans
12,434
About 1 in 27,566 people in the U.S.
Rarity
Uncommon
Predicted Gender
Male
99.3% confidence
Average Age
11
years old
Peak Year
2021
865 births
Total Registered
12,534
since 1880
Gender Distribution for Finnegan
Finnegan is almost exclusively a male name. Out of 12,534 total births registered, 99.3% were male.
Finnegan as a male name
Ranked #492 in 2024
625 male births in 2024
Peak: 2021 (860 births)
Finnegan as a female name
Ranked #8,194 in 2023
13 female births in 2023
Peak: 2023 (13 births)
Finnegan: Popularity Over Time
SSA records for Finnegan span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 6,690 babies were registered. While Finnegan is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Finnegan by Decade
How has Finnegan 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.
Finnegan by State
Birth registrations for Finnegan span all 47 states and territories in the SSA database. The highest counts are in California, Pennsylvania, New York. The lowest are in Hawaii, Arkansas, Rhode Island. On average, about 241 Finnegans were registered per state.
Finnegan + Last Name Combinations
How many people share a full name with Finnegan as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Finnegan
Other first names starting with F with a similar number of bearers.
Finnegan: Questions and Answers
How many people in the U.S. are named Finnegan?
We estimate approximately 12,434 people named Finnegan 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 27,566 Americans share this first name.
Is Finnegan a common name?
Finnegan is classified as "Uncommon" and is more popular than 98% of all first names in the SSA database. A total of 12,534 births have been registered with this name since 1880.
When was Finnegan most popular?
Finnegan reached peak popularity in 2021, when 865 babies were given this name. The average age of a living person named Finnegan is approximately 11 years old, reflecting when the name was most commonly given.
Is Finnegan a male name?
Finnegan is predominantly male. 99.3% of people with this name are male. See the gender breakdown above for full details.
How many Finnegan Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Finnegan Smith, Finnegan Johnson, Finnegan 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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