Dizzy Gillespie
There are approximately 1 people named Dizzy Gillespie living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Dizzy with Census Bureau frequency data for the surname Gillespie. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
1
1 in 342,754,338
Named Dizzy
5
Alive today
Named Gillespie
50K
Alive today
US population
343M
Denominator
Estimated living: 5
Rarity: Very Rare
Gender: Male
Peak year: 1935
Average age: 84
Estimated bearers: 50K
Rarity: Uncommon
Census rank: #811
Per 100K: 14.47
Top ancestry: White (81.2%)
First name trend
Dizzy: popularity over time
Year-by-year SSA birth registrations for the first name Dizzy. The peak year was 1935 with 8 births. The average person named Dizzy today is 84 years old.
Babies born per year
Ethnicity
Ancestry of the Gillespie surname
Self-reported race and ethnicity breakdown for people with the surname Gillespie, from the 2010 US Census Bureau. The largest group is White at 81.2%.
- White81.2%
- Black or African American13.8%
- Hispanic or Latino2.3%
- Two or more races1.7%
- American Indian and Alaska Native0.5%
- Asian and Pacific Islander0.5%
Methodology
How we calculated this
The first name Dizzy has a living-bearer frequency of 0.0000% of the US population, based on 5 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Gillespie appears at a rate of 14.47 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0145%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 1 people with the full name Dizzy Gillespie. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Dizzy
Related
Other people with the surname Gillespie
FAQ
Dizzy Gillespie: questions and answers
How many people are named Dizzy Gillespie?
We estimate approximately 1 people in the United States share the full name Dizzy Gillespie. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0000%) with the surname frequency (14.47 per 100K) against the current US population.
How rare is the name Dizzy Gillespie?
We classify Dizzy Gillespie as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Dizzy a male or female name?
Dizzy is predominantly male. Out of 19 total SSA registrations, 100.0% were male and 0.0% were female. See the full Dizzy 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.