How Many People Are Named Monica Williams?
There are approximately 1,206 people named Monica Williams living in the United States today. That makes this name combination common, occurring at a rate of about 1 in 284,208 Americans.
This estimate combines SSA birth records for the first name Monica 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
1,206
1 in 284,208 Americans
Combination Rarity
Common
First Name
View full profileMonica
Last Name
View full profileWilliams
Monica: Popularity Over Time
Year-by-year SSA birth registrations for the first name Monica. The peak year was 1979 with 6,619 births. The average person named Monica today is 46 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 "Monica" has an estimated frequency of 0.0639% 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 1,206 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Monica
Other people with the surname Williams
Monica Williams: Questions and Answers
How many people are named Monica Williams?
We estimate approximately 1,206 people named Monica Williams are alive in the United States today. The first name Monica is shared by 218,861 Americans, and the surname Williams is shared by 1,850,671.
How rare is the name Monica Williams?
This name combination is classified as Common, occurring at a rate of about 1 in 284,208 Americans. The first name Monica is common and the surname Williams is very common.
Is Monica a male or female name?
Monica is predominantly female, with 0.4% of bearers being male and 99.6% female. It peaked in popularity in 1979 and the average bearer today is 46 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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