How Many People Are Named Finnian Williams?
There are approximately 17 people named Finnian Williams living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 20,162,020 Americans.
This estimate combines SSA birth records for the first name Finnian 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
17
1 in 20,162,020 Americans
Combination Rarity
Rare
First Name
View full profileFinnian
Last Name
View full profileWilliams
Finnian: Popularity Over Time
Year-by-year SSA birth registrations for the first name Finnian. The peak year was 2016 with 187 births. The average person named Finnian today is 13 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 "Finnian" 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 17 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Finnian
Other people with the surname Williams
Finnian Williams: Questions and Answers
How many people are named Finnian Williams?
We estimate approximately 17 people named Finnian Williams are alive in the United States today. The first name Finnian is shared by 3,058 Americans, and the surname Williams is shared by 1,850,671.
How rare is the name Finnian Williams?
This name combination is classified as Rare, occurring at a rate of about 1 in 20,162,020 Americans. The first name Finnian is rare and the surname Williams is very common.
Is Finnian a male or female name?
Finnian is predominantly male, with 100.0% of bearers being male and 0.0% female. It peaked in popularity in 2016 and the average bearer today is 13 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.
Try another name
How Many of Me