How Many People Are Named Deior?
An estimated 22 people in the United States have the first name Deior. It is used for both genders, with 54.5% female. The average bearer is 5 years old, and Deior peaked in popularity in 2021 with 12 births that year.
Below you will find a full statistical profile of Deior 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 Deior paired with any surname.
Key Insights
- Deior is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
22
About 1 in 15,579,743 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
54.5% confidence
Average Age
5
years old
Peak Year
2021
12 births
Total Registered
22
since 1880
Gender Distribution for Deior
Deior is a genuinely unisex name, used for both males (45.5%) and females (54.5%). Out of 22 total births registered, 10 were male and 12 were female.
Deior as a male name
Ranked #12,570 in 2021
5 male births in 2021
Peak: 2020 (5 births)
Deior as a female name
Ranked #12,508 in 2021
7 female births in 2021
Peak: 2021 (7 births)
Deior: Popularity Over Time
Deior by Decade
How has Deior 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.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 2020s | 22 | 10 | 12 | |
Deior + Last Name Combinations
How many people share a full name with Deior as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Deior
Other first names starting with D with a similar number of bearers.
Deior: Questions and Answers
How many people in the U.S. are named Deior?
We estimate approximately 22 people named Deior 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 15,579,743 Americans share this first name.
Is Deior a common name?
Deior is classified as "Very Rare" and is more popular than 41.6% of all first names in the SSA database. A total of 22 births have been registered with this name since 1880.
When was Deior most popular?
Deior reached peak popularity in 2021, when 12 babies were given this name. The average age of a living person named Deior 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 Deior 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 Deior a female name?
Deior is predominantly female. 54.5% of people with this name are female. See the gender breakdown above for full details.
Why can Deior 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. Deior peaked in 2021, 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 Deior Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Deior Smith, Deior Johnson, Deior 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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