How Many People Are Named Pat Sullivan?
There are approximately 22 people named Pat Sullivan living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 15,579,743 Americans.
This estimate combines SSA birth records for the first name Pat with Census Bureau frequency data for the surname Sullivan. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
22
1 in 15,579,743 Americans
Combination Rarity
Rare
First Name
View full profilePat
Last Name
View full profileSullivan
Pat: Popularity Over Time
Year-by-year SSA birth registrations for the first name Pat. The peak year was 1947 with 2,543 births. The average person named Pat today is 73 years old.
Ancestry of the Sullivan Surname
Self-reported race and ethnicity breakdown for people with the surname Sullivan, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Pat" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Sullivan" appears at a rate of 74.92 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 22 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Pat
Other people with the surname Sullivan
Pat Sullivan: Questions and Answers
How many people are named Pat Sullivan?
We estimate approximately 22 people named Pat Sullivan are alive in the United States today. The first name Pat is shared by 29,680 Americans, and the surname Sullivan is shared by 251,651.
How rare is the name Pat Sullivan?
This name combination is classified as Rare, occurring at a rate of about 1 in 15,579,743 Americans. The first name Pat is uncommon and the surname Sullivan is common.
Is Pat a male or female name?
Pat is predominantly female, with 40.0% of bearers being male and 60.0% female. It peaked in popularity in 1947 and the average bearer today is 73 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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