Casey Affleck
There are approximately 1 people named Casey Affleck 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 Casey with Census Bureau frequency data for the surname Affleck. 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 Casey
183K
Alive today
Named Affleck
857
Alive today
US population
343M
Denominator
Estimated living: 183K
Rarity: Common
Gender: Unisex
Peak year: 1987
Average age: 36
Estimated bearers: 857
Rarity: Very Rare
Census rank: #31,184
Per 100K: 0.25
Top ancestry: White (93.3%)
First name trend
Casey: popularity over time
Year-by-year SSA birth registrations for the first name Casey. The peak year was 1987 with 7,508 births. The average person named Casey today is 36 years old.
Babies born per year
Ethnicity
Ancestry of the Affleck surname
Self-reported race and ethnicity breakdown for people with the surname Affleck, from the 2010 US Census Bureau. The largest group is White at 93.3%.
- White93.3%
- Hispanic or Latino1.9%
- Two or more races1.9%
- Black or African American1.5%
- Asian and Pacific Islander1.5%
Methodology
How we calculated this
The first name Casey has a living-bearer frequency of 0.0534% of the US population, based on 183,134 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Affleck appears at a rate of 0.25 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0003%.
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 Casey Affleck. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Casey
Related
Other people with the surname Affleck
FAQ
Casey Affleck: questions and answers
How many people are named Casey Affleck?
We estimate approximately 1 people in the United States share the full name Casey Affleck. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0534%) with the surname frequency (0.25 per 100K) against the current US population.
How rare is the name Casey Affleck?
We classify Casey Affleck as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Casey a male or female name?
Casey is predominantly unisex. Out of 193,458 total SSA registrations, 59.7% were male and 40.3% were female. See the full Casey 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.