How Many People Are Named Sadie Williams?
There are approximately 513 people named Sadie Williams living in the United States today. That makes this name combination uncommon, occurring at a rate of about 1 in 668,137 Americans.
This estimate combines SSA birth records for the first name Sadie 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
513
1 in 668,137 Americans
Combination Rarity
Uncommon
First Name
View full profileSadie
Last Name
View full profileWilliams
Sadie: Popularity Over Time
Year-by-year SSA birth registrations for the first name Sadie. The peak year was 2014 with 4,870 births. The average person named Sadie today is 20 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 "Sadie" has an estimated frequency of 0.0272% 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 513 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Sadie
Other people with the surname Williams
Sadie Williams: Questions and Answers
How many people are named Sadie Williams?
We estimate approximately 513 people named Sadie Williams are alive in the United States today. The first name Sadie is shared by 93,139 Americans, and the surname Williams is shared by 1,850,671.
How rare is the name Sadie Williams?
This name combination is classified as Uncommon, occurring at a rate of about 1 in 668,137 Americans. The first name Sadie is uncommon and the surname Williams is very common.
Is Sadie a male or female name?
Sadie is predominantly female, with 0.2% of bearers being male and 99.8% female. It peaked in popularity in 2014 and the average bearer today is 20 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.
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