How Many People Are Named Ruairi?
An estimated 274 people in the United States have the first name Ruairi. It is predominantly male (97.8%). The average bearer is 14 years old, and Ruairi peaked in popularity in 2021 with 23 births that year.
Below you will find a full statistical profile of Ruairi 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 Ruairi paired with any surname.
Estimated Living Americans
274
About 1 in 1,250,928 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
97.8% confidence
Average Age
14
years old
Peak Year
2021
23 births
Total Registered
277
since 1880
Gender Distribution for Ruairi
Ruairi is predominantly male (97.8%), though 6 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Ruairi as a male name
Ranked #6,730 in 2024
13 male births in 2024
Peak: 2022 (21 births)
Ruairi as a female name
Ranked #14,922 in 2021
6 female births in 2021
Peak: 2021 (6 births)
Ruairi: Popularity Over Time
SSA records for Ruairi span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2010s, when 91 babies were registered. Ruairi remains highly popular today, with recent registration numbers near its historical peak.
Ruairi by Decade
How has Ruairi 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.
Ruairi + Last Name Combinations
How many people share a full name with Ruairi as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ruairi
Other first names starting with R with a similar number of bearers.
Ruairi: Questions and Answers
How many people in the U.S. are named Ruairi?
We estimate approximately 274 people named Ruairi 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 1,250,928 Americans share this first name.
Is Ruairi a common name?
Ruairi is classified as "Very Rare" and is more popular than 78.2% of all first names in the SSA database. A total of 277 births have been registered with this name since 1880.
When was Ruairi most popular?
Ruairi reached peak popularity in 2021, when 23 babies were given this name. The average age of a living person named Ruairi is approximately 14 years old, reflecting when the name was most commonly given.
Is Ruairi a male name?
Ruairi is predominantly male. 97.8% of people with this name are male. See the gender breakdown above for full details.
How many Ruairi Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ruairi Smith, Ruairi Johnson, Ruairi 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.
Search for a full name combination
How Many of Me