Caroline Aaron
There are approximately 10 people named Caroline Aaron living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 34,275,434 Americans.
This estimate combines SSA birth records for the first name Caroline with Census Bureau frequency data for the surname Aaron. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
10
1 in 34,275,434
Named Caroline
187K
Alive today
Named Aaron
19K
Alive today
US population
343M
Denominator
Estimated living: 187K
Rarity: Common
Gender: Female
Peak year: 2000
Average age: 31
Estimated bearers: 19K
Rarity: Uncommon
Census rank: #2,241
Per 100K: 5.52
Top ancestry: White (66.0%)
First name trend
Caroline: popularity over time
Year-by-year SSA birth registrations for the first name Caroline. The peak year was 2000 with 5,029 births. The average person named Caroline today is 31 years old.
Babies born per year
Ethnicity
Ancestry of the Aaron surname
Self-reported race and ethnicity breakdown for people with the surname Aaron, from the 2010 US Census Bureau. The largest group is White at 66.0%.
- White66.0%
- Black or African American25.6%
- Hispanic or Latino4.3%
- Two or more races2.2%
- Asian and Pacific Islander1.3%
- American Indian and Alaska Native0.6%
Methodology
How we calculated this
The first name Caroline has a living-bearer frequency of 0.0546% of the US population, based on 187,040 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Aaron appears at a rate of 5.52 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0055%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 10 people with the full name Caroline Aaron. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Caroline
Related
Other people with the surname Aaron
FAQ
Caroline Aaron: questions and answers
How many people are named Caroline Aaron?
We estimate approximately 10 people in the United States share the full name Caroline Aaron. That works out to about 1 in 34,275,434 Americans. This is calculated by combining the first-name frequency (0.0546%) with the surname frequency (5.52 per 100K) against the current US population.
How rare is the name Caroline Aaron?
We classify Caroline Aaron as "Very Rare". About 1 in 34,275,434 Americans share this exact first and last name combination.
Is Caroline a male or female name?
Caroline is predominantly female. Out of 248,055 total SSA registrations, 0.1% were male and 99.9% were female. See the full Caroline 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.