How Many People Are Named Sandi Williams?
There are approximately 45 people named Sandi Williams living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 7,616,763 Americans.
This estimate combines SSA birth records for the first name Sandi 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
45
1 in 7,616,763 Americans
Combination Rarity
Rare
First Name
View full profileSandi
Last Name
View full profileWilliams
Sandi: Popularity Over Time
Year-by-year SSA birth registrations for the first name Sandi. The peak year was 1959 with 368 births. The average person named Sandi today is 56 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 "Sandi" has an estimated frequency of < 0.0001% 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 45 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Sandi
Other people with the surname Williams
Sandi Williams: Questions and Answers
How many people are named Sandi Williams?
We estimate approximately 45 people named Sandi Williams are alive in the United States today. The first name Sandi is shared by 8,113 Americans, and the surname Williams is shared by 1,850,671.
How rare is the name Sandi Williams?
This name combination is classified as Rare, occurring at a rate of about 1 in 7,616,763 Americans. The first name Sandi is rare and the surname Williams is very common.
Is Sandi a male or female name?
Sandi is predominantly female, with 0.2% of bearers being male and 99.8% female. It peaked in popularity in 1959 and the average bearer today is 56 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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