How Many People Are Named Kerrigan?
An estimated 2,499 people in the United States have the first name Kerrigan. It is predominantly female (95.9%). The average bearer is 18 years old, and Kerrigan peaked in popularity in 2013 with 119 births that year.
Below you will find a full statistical profile of Kerrigan 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 Kerrigan paired with any surname.
Key Insights
- While Kerrigan is overwhelmingly female, 105 male births have been registered with this name since 1880.
Estimated Living Americans
2,499
About 1 in 137,157 people in the U.S.
Rarity
Rare
Predicted Gender
Female
95.9% confidence
Average Age
18
years old
Peak Year
2013
119 births
Total Registered
2,535
since 1880
Gender Distribution for Kerrigan
Kerrigan is predominantly female (95.9%), though 105 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Kerrigan as a male name
Ranked #13,147 in 2020
5 male births in 2020
Peak: 1996 (9 births)
Kerrigan as a female name
Ranked #4,069 in 2024
36 female births in 2024
Peak: 2012 (118 births)
Kerrigan: Popularity Over Time
SSA records for Kerrigan span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2010s, when 933 babies were registered. Kerrigan has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Kerrigan by Decade
How has Kerrigan 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.
Kerrigan by State
Birth registrations for Kerrigan span all 20 states and territories in the SSA database. The highest counts are in Ohio, Texas, Indiana. The lowest are in Mississippi, Alabama, South Carolina. On average, about 44 Kerrigans were registered per state.
Kerrigan + Last Name Combinations
How many people share a full name with Kerrigan as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kerrigan
Other first names starting with K with a similar number of bearers.
Kerrigan: Questions and Answers
How many people in the U.S. are named Kerrigan?
We estimate approximately 2,499 people named Kerrigan 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 137,157 Americans share this first name.
Is Kerrigan a common name?
Kerrigan is classified as "Rare" and is more popular than 94.6% of all first names in the SSA database. A total of 2,535 births have been registered with this name since 1880.
When was Kerrigan most popular?
Kerrigan reached peak popularity in 2013, when 119 babies were given this name. The average age of a living person named Kerrigan is approximately 18 years old, reflecting when the name was most commonly given.
Is Kerrigan a female name?
Kerrigan is predominantly female. 95.9% of people with this name are female. See the gender breakdown above for full details.
How many Kerrigan Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kerrigan Smith, Kerrigan Johnson, Kerrigan 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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