How Many People Are Named Kyheir?
An estimated 61 people in the United States have the first name Kyheir. It is almost exclusively a male name. The average bearer is 5 years old, and Kyheir peaked in popularity in 2024 with 13 births that year.
Below you will find a full statistical profile of Kyheir as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, state-by-state birth registrations, and, when available, a 2020 Census snapshot showing who had the name at that point in time. You can also check how many people share the full name Kyheir paired with any surname.
Key Insights
- Kyheir is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
61
About 1 in 5,618,924 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
5
years old
Peak Year
2024
13 births
Total Registered
61
since 1880
Gender Distribution for Kyheir
Kyheir is almost exclusively a male name. Out of 61 total births registered, 100.0% were male.
Kyheir as a male name
Ranked #6,649 in 2024
13 male births in 2024
Peak: 2024 (13 births)
Kyheir: Popularity Over Time
SSA records for Kyheir span from the 2010s to the 2020s, covering 2 decades of naming data. The most popular decade for this name was the 2020s, when 48 babies were registered. Kyheir remains highly popular today, with recent registration numbers near its historical peak.
Kyheir by Decade
How has Kyheir tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Kyheir + Last Name Combinations
How many people share a full name with Kyheir as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kyheir
Other first names starting with K with a similar number of bearers.
Kyheir: Questions and Answers
How many people in the U.S. are named Kyheir?
We estimate approximately 61 people named Kyheir are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 5,618,924 Americans share this first name.
Is Kyheir a common name?
Kyheir is classified as "Very Rare" and is more popular than 57.3% of all first names in the SSA database. A total of 61 births have been registered with this name since 1880.
When was Kyheir most popular?
Kyheir reached peak popularity in 2024, when 13 babies were given this name. The average age of a living person named Kyheir is approximately 5 years old, reflecting when the name was most commonly given.
What does the SSA popularity chart show?
The popularity chart tracks birth registrations, not people currently alive. It shows how often Kyheir was given to babies from 1880 through 2024, which is why it is the best tool on the page for seeing long-run naming trends.
Is Kyheir a male name?
Kyheir is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
Why can Kyheir have a lot of living bearers even if it is not trendy now?
Because a name can build up a large population over many decades. Kyheir peaked in 2024, and the average living bearer is about 5 years old, so a name can still have millions of living bearers even after it stops feeling current for newborns.
How many Kyheir Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kyheir Smith, Kyheir Johnson, Kyheir Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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