How Many People Are Named Koby Williams?
There are approximately 33 people named Koby Williams living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 10,386,495 Americans.
This estimate combines SSA birth records for the first name Koby 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
33
1 in 10,386,495 Americans
Combination Rarity
Rare
First Name
View full profileKoby
Last Name
View full profileWilliams
Koby: Popularity Over Time
Year-by-year SSA birth registrations for the first name Koby. The peak year was 2000 with 419 births. The average person named Koby today is 23 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 "Koby" 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 33 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Koby
Other people with the surname Williams
Koby Williams: Questions and Answers
How many people are named Koby Williams?
We estimate approximately 33 people named Koby Williams are alive in the United States today. The first name Koby is shared by 5,952 Americans, and the surname Williams is shared by 1,850,671.
How rare is the name Koby Williams?
This name combination is classified as Rare, occurring at a rate of about 1 in 10,386,495 Americans. The first name Koby is rare and the surname Williams is very common.
Is Koby a male or female name?
Koby is predominantly male, with 98.4% of bearers being male and 1.6% female. It peaked in popularity in 2000 and the average bearer today is 23 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