How Many People Are Named Rheannon?
An estimated 420 people in the United States have the first name Rheannon. It is almost exclusively a female name. The average bearer is 35 years old, and Rheannon peaked in popularity in 1977 with 21 births that year.
Below you will find a full statistical profile of Rheannon 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 Rheannon paired with any surname.
Estimated Living Americans
420
About 1 in 816,082 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
35
years old
Peak Year
1977
21 births
Total Registered
440
since 1880
Gender Distribution for Rheannon
Rheannon is almost exclusively a female name. Out of 440 total births registered, 100.0% were female.
Rheannon as a female name
Ranked #17,040 in 2008
6 female births in 2008
Peak: 1977 (21 births)
Rheannon: Popularity Over Time
SSA records for Rheannon span from the 1970s to the 2000s, covering 4 decades of naming data. The most popular decade for this name was the 1980s, when 151 babies were registered. While Rheannon is less common than at its peak in the 1980s, it remains a well-established name with steady registrations.
Rheannon by Decade
How has Rheannon 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.
Rheannon by State
Rheannon + Last Name Combinations
How many people share a full name with Rheannon as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rheannon
Other first names starting with R with a similar number of bearers.
Rheannon: Questions and Answers
How many people in the U.S. are named Rheannon?
We estimate approximately 420 people named Rheannon 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 816,082 Americans share this first name.
Is Rheannon a common name?
Rheannon is classified as "Very Rare" and is more popular than 82.8% of all first names in the SSA database. A total of 440 births have been registered with this name since 1880.
When was Rheannon most popular?
Rheannon reached peak popularity in 1977, when 21 babies were given this name. The average age of a living person named Rheannon is approximately 35 years old, reflecting when the name was most commonly given.
Is Rheannon a female name?
Rheannon is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Rheannon Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rheannon Smith, Rheannon Johnson, Rheannon 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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