George Obrien
There are approximately 243 people named George Obrien living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 1,410,512 Americans.
This estimate combines SSA birth records for the first name George 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.
Expected bearers
243
1 in 1,410,512
Named George
605K
Alive today
Named Obrien
138K
Alive today
US population
343M
Denominator
Estimated living: 605K
Rarity: Very Common
Gender: Male
Peak year: 1921
Average age: 61
Estimated bearers: 138K
Rarity: Common
Census rank: #258
Per 100K: 40.19
Top ancestry: White (93.8%)
First name trend
George: popularity over time
Year-by-year SSA birth registrations for the first name George. The peak year was 1921 with 27,682 births. The average person named George today is 61 years old.
Babies born per year
Ethnicity
Ancestry of the Obrien surname
Self-reported race and ethnicity breakdown for people with the surname Obrien, from the 2010 US Census Bureau. The largest group is White at 93.8%.
- White93.8%
- Hispanic or Latino2.3%
- Two or more races1.4%
- Black or African American1.3%
- Asian and Pacific Islander0.8%
- American Indian and Alaska Native0.4%
Methodology
How we calculated this
The first name George has a living-bearer frequency of 0.1764% of the US population, based on 604,749 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Obrien appears at a rate of 40.19 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0402%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 243 people with the full name George Obrien. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named George
Related
Other people with the surname Obrien
FAQ
George Obrien: questions and answers
How many people are named George Obrien?
We estimate approximately 243 people in the United States share the full name George Obrien. That works out to about 1 in 1,410,512 Americans. This is calculated by combining the first-name frequency (0.1764%) with the surname frequency (40.19 per 100K) against the current US population.
How rare is the name George Obrien?
We classify George Obrien as "Very Rare". About 1 in 1,410,512 Americans share this exact first and last name combination.
Is George a male or female name?
George is predominantly male. Out of 1,494,369 total SSA registrations, 99.3% were male and 0.7% were female. See the full George profile for detailed gender data.
Where does this data come from?
First-name data comes from the Social Security Administration's national baby name files (1880 to 2024). Surname data comes from the 2010 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.