How Many People Are Named Keir Smith?
There are approximately 9 people named Keir Smith living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 38,083,815 Americans.
This estimate combines SSA birth records for the first name Keir with Census Bureau frequency data for the surname Smith. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
9
1 in 38,083,815 Americans
Combination Rarity
Very Rare
First Name
View full profileKeir
Last Name
View full profileSmith
Keir: Popularity Over Time
Year-by-year SSA birth registrations for the first name Keir. The peak year was 1970 with 74 births. The average person named Keir today is 36 years old.
Ancestry of the Smith Surname
Self-reported race and ethnicity breakdown for people with the surname Smith, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Keir" 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 "Smith" appears at a rate of 828.19 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 9 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Keir
Other people with the surname Smith
Keir Smith: Questions and Answers
How many people are named Keir Smith?
We estimate approximately 9 people named Keir Smith are alive in the United States today. The first name Keir is shared by 1,052 Americans, and the surname Smith is shared by 2,781,834.
How rare is the name Keir Smith?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 38,083,815 Americans. The first name Keir is rare and the surname Smith is very common.
Is Keir a male or female name?
Keir is predominantly male, with 94.2% of bearers being male and 5.8% female. It peaked in popularity in 1970 and the average bearer today is 36 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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