How Many People Are Named Keir Dullea?
There are approximately 1 people named Keir Dullea living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Keir with Census Bureau frequency data for the surname Dullea. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
1
1 in 342,754,338 Americans
Combination Rarity
Very Rare
First Name
View full profileKeir
Last Name
View full profileDullea
Keir: Popularity Over Time
Year-by-year SSA birth registrations for the first name Keir. The peak year was 1970 with 74 births. The average person named Keir today is 36 years old.
Ancestry of the Dullea Surname
Self-reported race and ethnicity breakdown for people with the surname Dullea, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Keir" 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 "Dullea" appears at a rate of 0.16 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Keir Dullea: Questions and Answers
How many people are named Keir Dullea?
We estimate approximately 1 people named Keir Dullea are alive in the United States today. The first name Keir is shared by 1,052 Americans, and the surname Dullea is shared by 537.
How rare is the name Keir Dullea?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Keir is rare and the surname Dullea is very rare.
Is Keir a male or female name?
Keir is predominantly male, with 94.2% of bearers being male and 5.8% female. It peaked in popularity in 1970 and the average bearer today is 36 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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