How Many People Are Named Susan Williams?
There are approximately 4,289 people named Susan Williams living in the United States today. That makes this name combination common, occurring at a rate of about 1 in 79,915 Americans.
This estimate combines SSA birth records for the first name Susan with Census Bureau frequency data for the surname Williams. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
4,289
1 in 79,915 Americans
Combination Rarity
Common
First Name
View full profileSusan
Last Name
View full profileWilliams
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.
Ancestry of the Williams Surname
Self-reported race and ethnicity breakdown for people with the surname Williams, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Susan" has an estimated frequency of 0.227% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Williams" appears at a rate of 550.97 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 4,289 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Susan
Other people with the surname Williams
Susan Williams: Questions and Answers
How many people are named Susan Williams?
We estimate approximately 4,289 people named Susan Williams are alive in the United States today. The first name Susan is shared by 778,536 Americans, and the surname Williams is shared by 1,850,671.
How rare is the name Susan Williams?
This name combination is classified as Common, occurring at a rate of about 1 in 79,915 Americans. The first name Susan is very common and the surname Williams is very common.
Is Susan a male or female name?
Susan is predominantly female, with 0.2% of bearers being male and 99.8% female. It peaked in popularity in 1955 and the average bearer today is 66 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
Try another name
How Many of Me