How Many People Are Named Allisa Williams?
There are approximately 7 people named Allisa Williams living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 48,964,905 Americans.
This estimate combines SSA birth records for the first name Allisa 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
7
1 in 48,964,905 Americans
Combination Rarity
Very Rare
First Name
View full profileAllisa
Last Name
View full profileWilliams
Allisa: Popularity Over Time
Year-by-year SSA birth registrations for the first name Allisa. The peak year was 1998 with 56 births. The average person named Allisa 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 "Allisa" 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 7 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Allisa
Other people with the surname Williams
Allisa Williams: Questions and Answers
How many people are named Allisa Williams?
We estimate approximately 7 people named Allisa Williams are alive in the United States today. The first name Allisa is shared by 1,271 Americans, and the surname Williams is shared by 1,850,671.
How rare is the name Allisa Williams?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 48,964,905 Americans. The first name Allisa is rare and the surname Williams is very common.
Is Allisa a male or female name?
Allisa is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 1998 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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