How Many People Are Named Sina Williams?
There are approximately 8 people named Sina Williams living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 42,844,292 Americans.
This estimate combines SSA birth records for the first name Sina 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
8
1 in 42,844,292 Americans
Combination Rarity
Very Rare
First Name
View full profileSina
Last Name
View full profileWilliams
Sina: Popularity Over Time
Year-by-year SSA birth registrations for the first name Sina. The peak year was 1996 with 36 births. The average person named Sina today is 34 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 "Sina" 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 8 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Sina
Other people with the surname Williams
Sina Williams: Questions and Answers
How many people are named Sina Williams?
We estimate approximately 8 people named Sina Williams are alive in the United States today. The first name Sina is shared by 1,384 Americans, and the surname Williams is shared by 1,888,474.
How rare is the name Sina Williams?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 42,844,292 Americans. The first name Sina is rare and the surname Williams is very common.
Is Sina a male or female name?
Sina is predominantly female, with 22.8% of bearers being male and 77.2% female. It peaked in popularity in 1996 and the average bearer today is 34 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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