Susan Richardson
There are approximately 686 people named Susan Richardson living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 499,642 Americans.
This estimate combines SSA birth records for the first name Susan with Census Bureau frequency data for the surname Richardson. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
686
1 in 499,642
Named Susan
779K
Alive today
Named Richardson
302K
Alive today
US population
343M
Denominator
Estimated living: 779K
Rarity: Very Common
Gender: Female
Peak year: 1955
Average age: 66
Estimated bearers: 302K
Rarity: Common
Census rank: #80
Per 100K: 88.07
Top ancestry: White (59.7%)
First name trend
Susan: popularity over time
Year-by-year SSA birth registrations for the first name Susan. The peak year was 1955 with 47,484 births. The average person named Susan today is 66 years old.
Babies born per year
Ethnicity
Ancestry of the Richardson surname
Self-reported race and ethnicity breakdown for people with the surname Richardson, from the 2010 US Census Bureau. The largest group is White at 59.7%.
- White59.7%
- Black or African American33.6%
- Hispanic or Latino2.6%
- Two or more races2.4%
- American Indian and Alaska Native1.1%
- Asian and Pacific Islander0.5%
Methodology
How we calculated this
The first name Susan has a living-bearer frequency of 0.2271% of the US population, based on 778,536 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Richardson appears at a rate of 88.07 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0881%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 686 people with the full name Susan Richardson. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Susan
Related
Other people with the surname Richardson
FAQ
Susan Richardson: questions and answers
How many people are named Susan Richardson?
We estimate approximately 686 people in the United States share the full name Susan Richardson. That works out to about 1 in 499,642 Americans. This is calculated by combining the first-name frequency (0.2271%) with the surname frequency (88.07 per 100K) against the current US population.
How rare is the name Susan Richardson?
We classify Susan Richardson as "Very Rare". About 1 in 499,642 Americans share this exact first and last name combination.
Is Susan a male or female name?
Susan is predominantly female. Out of 1,125,774 total SSA registrations, 0.2% were male and 99.8% were female. See the full Susan 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.