Tatum Oneal
There are approximately 6 people named Tatum Oneal living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 57,125,723 Americans.
This estimate combines SSA birth records for the first name Tatum with Census Bureau frequency data for the surname Oneal. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
6
1 in 57,125,723
Named Tatum
38K
Alive today
Named Oneal
56K
Alive today
US population
343M
Denominator
Estimated living: 38K
Rarity: Uncommon
Gender: Unisex
Peak year: 2024
Average age: 14
Estimated bearers: 56K
Rarity: Uncommon
Census rank: #729
Per 100K: 16.27
Top ancestry: White (64.5%)
First name trend
Tatum: popularity over time
Year-by-year SSA birth registrations for the first name Tatum. The peak year was 2024 with 3,330 births. The average person named Tatum today is 14 years old.
Babies born per year
Ethnicity
Ancestry of the Oneal surname
Self-reported race and ethnicity breakdown for people with the surname Oneal, from the 2010 US Census Bureau. The largest group is White at 64.5%.
- White64.5%
- Black or African American29.2%
- Two or more races2.6%
- Hispanic or Latino2.5%
- American Indian and Alaska Native0.7%
- Asian and Pacific Islander0.4%
Methodology
How we calculated this
The first name Tatum has a living-bearer frequency of 0.0111% of the US population, based on 37,963 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Oneal appears at a rate of 16.27 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0163%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 6 people with the full name Tatum Oneal. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Tatum
Related
Other people with the surname Oneal
FAQ
Tatum Oneal: questions and answers
How many people are named Tatum Oneal?
We estimate approximately 6 people in the United States share the full name Tatum Oneal. That works out to about 1 in 57,125,723 Americans. This is calculated by combining the first-name frequency (0.0111%) with the surname frequency (16.27 per 100K) against the current US population.
How rare is the name Tatum Oneal?
We classify Tatum Oneal as "Very Rare". About 1 in 57,125,723 Americans share this exact first and last name combination.
Is Tatum a male or female name?
Tatum is predominantly unisex. Out of 38,455 total SSA registrations, 29.8% were male and 70.2% were female. See the full Tatum 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.