How Many People Are Named Reo?
An estimated 534 people in the United States have the first name Reo. It is predominantly male (96.8%). The average bearer is 34 years old, and Reo peaked in popularity in 1919 with 22 births that year.
Below you will find a full statistical profile of Reo as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Reo paired with any surname.
Estimated Living Americans
534
About 1 in 641,862 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
96.8% confidence
Average Age
34
years old
Peak Year
1919
22 births
Total Registered
850
since 1880
Gender Distribution for Reo
Reo is predominantly male (96.8%), though 27 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Reo as a male name
Ranked #6,092 in 2024
15 male births in 2024
Peak: 1917 (18 births)
Reo as a female name
Ranked #12,006 in 1985
5 female births in 1985
Peak: 1918 (6 births)
Reo: Popularity Over Time
SSA records for Reo span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 1920s, when 124 babies were registered. While Reo is less common than at its peak in the 1920s, it remains a well-established name with steady registrations.
Reo by Decade
How has Reo 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.
Reo by State
Reo + Last Name Combinations
How many people share a full name with Reo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Reo
Other first names starting with R with a similar number of bearers.
Reo: Questions and Answers
How many people in the U.S. are named Reo?
We estimate approximately 534 people named Reo 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 641,862 Americans share this first name.
Is Reo a common name?
Reo is classified as "Very Rare" and is more popular than 85.2% of all first names in the SSA database. A total of 850 births have been registered with this name since 1880.
When was Reo most popular?
Reo reached peak popularity in 1919, when 22 babies were given this name. The average age of a living person named Reo is approximately 34 years old, reflecting when the name was most commonly given.
Is Reo a male name?
Reo is predominantly male. 96.8% of people with this name are male. See the gender breakdown above for full details.
How many Reo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Reo Smith, Reo Johnson, Reo 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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