How Many People Are Named David Obrien?
There are approximately 1,144 people named David Obrien living in the United States today. That makes this name combination common, occurring at a rate of about 1 in 299,610 Americans.
This estimate combines SSA birth records for the first name David with Census Bureau frequency data for the surname Obrien. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
1,144
1 in 299,610 Americans
Combination Rarity
Common
First Name
View full profileDavid
Last Name
View full profileObrien
David: Popularity Over Time
Year-by-year SSA birth registrations for the first name David. The peak year was 1955 with 86,450 births. The average person named David today is 54 years old.
Ancestry of the Obrien Surname
Self-reported race and ethnicity breakdown for people with the surname Obrien, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "David" has an estimated frequency of 0.831% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Obrien" appears at a rate of 40.19 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 1,144 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named David
Other people with the surname Obrien
David Obrien: Questions and Answers
How many people are named David Obrien?
We estimate approximately 1,144 people named David Obrien are alive in the United States today. The first name David is shared by 2,847,418 Americans, and the surname Obrien is shared by 134,995.
How rare is the name David Obrien?
This name combination is classified as Common, occurring at a rate of about 1 in 299,610 Americans. The first name David is very common and the surname Obrien is common.
Is David a male or female name?
David is predominantly male, with 99.6% of bearers being male and 0.4% female. It peaked in popularity in 1955 and the average bearer today is 54 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.
Try another name
How Many of Me