Aaron Johnston
There are approximately 254 people named Aaron Johnston living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 1,349,427 Americans.
This estimate combines SSA birth records for the first name Aaron with Census Bureau frequency data for the surname Johnston. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
254
1 in 1,349,427
Named Aaron
570K
Alive today
Named Johnston
153K
Alive today
US population
343M
Denominator
Estimated living: 570K
Rarity: Very Common
Gender: Male
Peak year: 1989
Average age: 34
Estimated bearers: 153K
Rarity: Common
Census rank: #225
Per 100K: 44.54
Top ancestry: White (91.6%)
First name trend
Aaron: popularity over time
Year-by-year SSA birth registrations for the first name Aaron. The peak year was 1989 with 15,410 births. The average person named Aaron today is 34 years old.
Babies born per year
Ethnicity
Ancestry of the Johnston surname
Self-reported race and ethnicity breakdown for people with the surname Johnston, from the 2010 US Census Bureau. The largest group is White at 91.6%.
- White91.6%
- Hispanic or Latino2.6%
- Black or African American2.4%
- Two or more races1.8%
- American Indian and Alaska Native0.8%
- Asian and Pacific Islander0.7%
Methodology
How we calculated this
The first name Aaron has a living-bearer frequency of 0.1662% of the US population, based on 569,711 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Johnston appears at a rate of 44.54 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0445%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 254 people with the full name Aaron Johnston. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Aaron
Related
Other people with the surname Johnston
FAQ
Aaron Johnston: questions and answers
How many people are named Aaron Johnston?
We estimate approximately 254 people in the United States share the full name Aaron Johnston. That works out to about 1 in 1,349,427 Americans. This is calculated by combining the first-name frequency (0.1662%) with the surname frequency (44.54 per 100K) against the current US population.
How rare is the name Aaron Johnston?
We classify Aaron Johnston as "Very Rare". About 1 in 1,349,427 Americans share this exact first and last name combination.
Is Aaron a male or female name?
Aaron is predominantly male. Out of 614,747 total SSA registrations, 99.3% were male and 0.7% were female. See the full Aaron 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.