How Many People Are Named Dianah Smith?
There are approximately 3 people named Dianah Smith living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 114,251,446 Americans.
This estimate combines SSA birth records for the first name Dianah 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
3
1 in 114,251,446 Americans
Combination Rarity
Very Rare
First Name
View full profileDianah
Last Name
View full profileSmith
Dianah: Popularity Over Time
Year-by-year SSA birth registrations for the first name Dianah. The peak year was 1958 with 23 births. The average person named Dianah today is 57 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 "Dianah" 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 3 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Dianah
Other people with the surname Smith
Dianah Smith: Questions and Answers
How many people are named Dianah Smith?
We estimate approximately 3 people named Dianah Smith are alive in the United States today. The first name Dianah is shared by 352 Americans, and the surname Smith is shared by 2,838,657.
How rare is the name Dianah Smith?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 114,251,446 Americans. The first name Dianah is very rare and the surname Smith is very common.
Is Dianah a male or female name?
Dianah is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 1958 and the average bearer today is 57 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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