How Many People Are Named Ru?
An estimated 12 people in the United States have the first name Ru. It is almost exclusively a female name. The average bearer is 3 years old, and Ru peaked in popularity in 2023 with 7 births that year.
Below you will find a full statistical profile of Ru 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 Ru paired with any surname.
Key Insights
- Ru is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
12
About 1 in 28,562,862 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
3
years old
Peak Year
2023
7 births
Total Registered
12
since 1880
Gender Distribution for Ru
Ru is almost exclusively a female name. Out of 12 total births registered, 100.0% were female.
Ru as a female name
Ranked #13,199 in 2023
7 female births in 2023
Peak: 2023 (7 births)
Ru: Popularity Over Time
Ru by Decade
How has Ru 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 | 12 | 0 | 12 | |
Ru + Last Name Combinations
How many people share a full name with Ru as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ru
Other first names starting with R with a similar number of bearers.
Ru: Questions and Answers
How many people in the U.S. are named Ru?
We estimate approximately 12 people named Ru 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 28,562,862 Americans share this first name.
Is Ru a common name?
Ru is classified as "Very Rare" and is more popular than 32.3% of all first names in the SSA database. A total of 12 births have been registered with this name since 1880.
When was Ru most popular?
Ru reached peak popularity in 2023, when 7 babies were given this name. The average age of a living person named Ru is approximately 3 years old, reflecting when the name was most commonly given.
Is Ru a female name?
Ru is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Ru Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ru Smith, Ru Johnson, Ru 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