Justin Tarr
There are approximately 18 people named Justin Tarr living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 19,041,908 Americans.
This estimate combines SSA birth records for the first name Justin with Census Bureau frequency data for the surname Tarr. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
18
1 in 19,041,908
Named Justin
761K
Alive today
Named Tarr
8.2K
Alive today
US population
343M
Denominator
Estimated living: 761K
Rarity: Very Common
Gender: Male
Peak year: 1988
Average age: 35
Estimated bearers: 8.2K
Rarity: Rare
Census rank: #5,006
Per 100K: 2.38
Top ancestry: White (90.8%)
First name trend
Justin: popularity over time
Year-by-year SSA birth registrations for the first name Justin. The peak year was 1988 with 35,296 births. The average person named Justin today is 35 years old.
Babies born per year
Ethnicity
Ancestry of the Tarr surname
Self-reported race and ethnicity breakdown for people with the surname Tarr, from the 2010 US Census Bureau. The largest group is White at 90.8%.
- White90.8%
- Black or African American4.1%
- Hispanic or Latino2.1%
- Two or more races1.7%
- Asian and Pacific Islander1.1%
- American Indian and Alaska Native0.2%
Methodology
How we calculated this
The first name Justin has a living-bearer frequency of 0.2220% of the US population, based on 760,960 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Tarr appears at a rate of 2.38 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0024%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 18 people with the full name Justin Tarr. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Justin
FAQ
Justin Tarr: questions and answers
How many people are named Justin Tarr?
We estimate approximately 18 people in the United States share the full name Justin Tarr. That works out to about 1 in 19,041,908 Americans. This is calculated by combining the first-name frequency (0.2220%) with the surname frequency (2.38 per 100K) against the current US population.
How rare is the name Justin Tarr?
We classify Justin Tarr as "Very Rare". About 1 in 19,041,908 Americans share this exact first and last name combination.
Is Justin a male or female name?
Justin is predominantly male. Out of 792,731 total SSA registrations, 99.5% were male and 0.5% were female. See the full Justin 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.