Greg Harrison
There are approximately 40 people named Greg Harrison living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 8,568,858 Americans.
This estimate combines SSA birth records for the first name Greg with Census Bureau frequency data for the surname Harrison. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
40
1 in 8,568,858
Named Greg
65K
Alive today
Named Harrison
210K
Alive today
US population
343M
Denominator
Estimated living: 65K
Rarity: Uncommon
Gender: Male
Peak year: 1961
Average age: 61
Estimated bearers: 210K
Rarity: Common
Census rank: #141
Per 100K: 61.39
Top ancestry: White (68.7%)
First name trend
Greg: popularity over time
Year-by-year SSA birth registrations for the first name Greg. The peak year was 1961 with 5,410 births. The average person named Greg today is 61 years old.
Babies born per year
Ethnicity
Ancestry of the Harrison surname
Self-reported race and ethnicity breakdown for people with the surname Harrison, from the 2010 US Census Bureau. The largest group is White at 68.7%.
- White68.7%
- Black or African American24.4%
- Hispanic or Latino2.7%
- Two or more races2.3%
- American Indian and Alaska Native1.4%
- Asian and Pacific Islander0.5%
Methodology
How we calculated this
The first name Greg has a living-bearer frequency of 0.0189% of the US population, based on 64,783 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Harrison appears at a rate of 61.39 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0614%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 40 people with the full name Greg Harrison. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Greg
Related
Other people with the surname Harrison
FAQ
Greg Harrison: questions and answers
How many people are named Greg Harrison?
We estimate approximately 40 people in the United States share the full name Greg Harrison. That works out to about 1 in 8,568,858 Americans. This is calculated by combining the first-name frequency (0.0189%) with the surname frequency (61.39 per 100K) against the current US population.
How rare is the name Greg Harrison?
We classify Greg Harrison as "Very Rare". About 1 in 8,568,858 Americans share this exact first and last name combination.
Is Greg a male or female name?
Greg is predominantly male. Out of 77,835 total SSA registrations, 99.8% were male and 0.2% were female. See the full Greg 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.