How Many People Are Named Rielly?
An estimated 451 people in the United States have the first name Rielly. It is used for both genders, with 57.3% female. The average bearer is 23 years old, and Rielly peaked in popularity in 1998 with 36 births that year.
Below you will find a full statistical profile of Rielly 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 Rielly paired with any surname.
Estimated Living Americans
451
About 1 in 759,987 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
57.3% confidence
Average Age
23
years old
Peak Year
1998
36 births
Total Registered
459
since 1880
Gender Distribution for Rielly
Rielly is a genuinely unisex name, used for both males (42.7%) and females (57.3%). Out of 459 total births registered, 196 were male and 263 were female.
Rielly as a male name
Ranked #8,011 in 2010
10 male births in 2010
Peak: 2002 (19 births)
Rielly as a female name
Ranked #13,177 in 2020
7 female births in 2020
Peak: 1998 (22 births)
Rielly: Popularity Over Time
SSA records for Rielly span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2000s, when 265 babies were registered. Rielly has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Rielly by Decade
How has Rielly 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.
Rielly + Last Name Combinations
How many people share a full name with Rielly as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rielly
Other first names starting with R with a similar number of bearers.
Rielly: Questions and Answers
How many people in the U.S. are named Rielly?
We estimate approximately 451 people named Rielly 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 759,987 Americans share this first name.
Is Rielly a common name?
Rielly is classified as "Very Rare" and is more popular than 83.6% of all first names in the SSA database. A total of 459 births have been registered with this name since 1880.
When was Rielly most popular?
Rielly reached peak popularity in 1998, when 36 babies were given this name. The average age of a living person named Rielly is approximately 23 years old, reflecting when the name was most commonly given.
Is Rielly a female name?
Rielly is predominantly female. 57.3% of people with this name are female. See the gender breakdown above for full details.
How many Rielly Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rielly Smith, Rielly Johnson, Rielly 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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