How Many People Are Named Brian Ohalloran?
There are approximately 12 people named Brian Ohalloran living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 28,562,862 Americans.
This estimate combines SSA birth records for the first name Brian with Census Bureau frequency data for the surname Ohalloran. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
12
1 in 28,562,862 Americans
Combination Rarity
Rare
First Name
View full profileBrian
Last Name
View full profileOhalloran
Brian: Popularity Over Time
Year-by-year SSA birth registrations for the first name Brian. The peak year was 1972 with 36,480 births. The average person named Brian today is 48 years old.
Ancestry of the Ohalloran Surname
Self-reported race and ethnicity breakdown for people with the surname Ohalloran, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Brian" has an estimated frequency of 0.310% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Ohalloran" appears at a rate of 1.11 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 12 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Brian
Other people with the surname Ohalloran
Brian Ohalloran: Questions and Answers
How many people are named Brian Ohalloran?
We estimate approximately 12 people named Brian Ohalloran are alive in the United States today. The first name Brian is shared by 1,062,624 Americans, and the surname Ohalloran is shared by 3,728.
How rare is the name Brian Ohalloran?
This name combination is classified as Rare, occurring at a rate of about 1 in 28,562,862 Americans. The first name Brian is very common and the surname Ohalloran is rare.
Is Brian a male or female name?
Brian is predominantly male, with 99.6% of bearers being male and 0.4% female. It peaked in popularity in 1972 and the average bearer today is 48 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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