Mark Clayton
There are approximately 220 people named Mark Clayton living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 1,557,974 Americans.
This estimate combines SSA birth records for the first name Mark with Census Bureau frequency data for the surname Clayton. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
220
1 in 1,557,974
Named Mark
1.1M
Alive today
Named Clayton
66K
Alive today
US population
343M
Denominator
Estimated living: 1.1M
Rarity: Very Common
Gender: Male
Peak year: 1960
Average age: 56
Estimated bearers: 66K
Rarity: Uncommon
Census rank: #595
Per 100K: 19.20
Top ancestry: White (69.1%)
First name trend
Mark: popularity over time
Year-by-year SSA birth registrations for the first name Mark. The peak year was 1960 with 58,852 births. The average person named Mark today is 56 years old.
Babies born per year
Ethnicity
Ancestry of the Clayton surname
Self-reported race and ethnicity breakdown for people with the surname Clayton, from the 2010 US Census Bureau. The largest group is White at 69.1%.
- White69.1%
- Black or African American25.5%
- Two or more races2.2%
- Hispanic or Latino2.2%
- American Indian and Alaska Native0.5%
- Asian and Pacific Islander0.5%
Methodology
How we calculated this
The first name Mark has a living-bearer frequency of 0.3339% of the US population, based on 1,144,344 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Clayton appears at a rate of 19.20 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0192%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 220 people with the full name Mark Clayton. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Mark
Related
Other people with the surname Clayton
FAQ
Mark Clayton: questions and answers
How many people are named Mark Clayton?
We estimate approximately 220 people in the United States share the full name Mark Clayton. That works out to about 1 in 1,557,974 Americans. This is calculated by combining the first-name frequency (0.3339%) with the surname frequency (19.20 per 100K) against the current US population.
How rare is the name Mark Clayton?
We classify Mark Clayton as "Very Rare". About 1 in 1,557,974 Americans share this exact first and last name combination.
Is Mark a male or female name?
Mark is predominantly male. Out of 1,365,265 total SSA registrations, 99.7% were male and 0.3% were female. See the full Mark 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.