Tina Obrien
There are approximately 98 people named Tina Obrien living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 3,497,493 Americans.
This estimate combines SSA birth records for the first name Tina 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
98
1 in 3,497,493
Named Tina
245K
Alive today
Named Obrien
138K
Alive today
US population
343M
Denominator
Estimated living: 245K
Rarity: Common
Gender: Female
Peak year: 1968
Average age: 56
Estimated bearers: 138K
Rarity: Common
Census rank: #258
Per 100K: 40.19
Top ancestry: White (93.8%)
First name trend
Tina: popularity over time
Year-by-year SSA birth registrations for the first name Tina. The peak year was 1968 with 14,819 births. The average person named Tina today is 56 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 Tina has a living-bearer frequency of 0.0714% of the US population, based on 244,687 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 98 people with the full name Tina 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 Tina
Related
Other people with the surname Obrien
FAQ
Tina Obrien: questions and answers
How many people are named Tina Obrien?
We estimate approximately 98 people in the United States share the full name Tina Obrien. That works out to about 1 in 3,497,493 Americans. This is calculated by combining the first-name frequency (0.0714%) with the surname frequency (40.19 per 100K) against the current US population.
How rare is the name Tina Obrien?
We classify Tina Obrien as "Very Rare". About 1 in 3,497,493 Americans share this exact first and last name combination.
Is Tina a male or female name?
Tina is predominantly female. Out of 292,991 total SSA registrations, 0.3% were male and 99.7% were female. See the full Tina 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.