Jim Gillespie
There are approximately 12 people named Jim Gillespie living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 28,562,862 Americans.
This estimate combines SSA birth records for the first name Jim 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
12
1 in 28,562,862
Named Jim
84K
Alive today
Named Gillespie
50K
Alive today
US population
343M
Denominator
Estimated living: 84K
Rarity: Uncommon
Gender: Male
Peak year: 1959
Average age: 68
Estimated bearers: 50K
Rarity: Uncommon
Census rank: #811
Per 100K: 14.47
Top ancestry: White (81.2%)
First name trend
Jim: popularity over time
Year-by-year SSA birth registrations for the first name Jim. The peak year was 1959 with 5,696 births. The average person named Jim today is 68 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 Jim has a living-bearer frequency of 0.0245% of the US population, based on 83,864 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 12 people with the full name Jim 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 Jim
Related
Other people with the surname Gillespie
FAQ
Jim Gillespie: questions and answers
How many people are named Jim Gillespie?
We estimate approximately 12 people in the United States share the full name Jim Gillespie. That works out to about 1 in 28,562,862 Americans. This is calculated by combining the first-name frequency (0.0245%) with the surname frequency (14.47 per 100K) against the current US population.
How rare is the name Jim Gillespie?
We classify Jim Gillespie as "Very Rare". About 1 in 28,562,862 Americans share this exact first and last name combination.
Is Jim a male or female name?
Jim is predominantly male. Out of 153,899 total SSA registrations, 99.5% were male and 0.5% were female. See the full Jim 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.