How Many People Are Named Rb?
An estimated 5 people in the United States have the first name Rb. It is almost exclusively a male name. The average bearer is 33 years old, and Rb peaked in popularity in 1920 with 5 births that year.
Below you will find a full statistical profile of Rb 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 Rb paired with any surname.
Key Insights
- Rb is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
5
About 1 in 68,550,868 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
33
years old
Peak Year
1920
5 births
Total Registered
10
since 1880
Gender Distribution for Rb
Rb is almost exclusively a male name. Out of 10 total births registered, 100.0% were male.
Rb as a male name
Ranked #9,932 in 1994
5 male births in 1994
Peak: 1920 (5 births)
Rb: Popularity Over Time
SSA records for Rb span from the 1920s to the 1990s, covering 2 decades of naming data. The most popular decade for this name was the 1990s, when 5 babies were registered. Rb remains highly popular today, with recent registration numbers near its historical peak.
Rb by Decade
How has Rb 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.
Rb + Last Name Combinations
How many people share a full name with Rb as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rb
Other first names starting with R with a similar number of bearers.
Rb: Questions and Answers
How many people in the U.S. are named Rb?
We estimate approximately 5 people named Rb 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 68,550,868 Americans share this first name.
Is Rb a common name?
Rb is classified as "Very Rare" and is more popular than 18.2% of all first names in the SSA database. A total of 10 births have been registered with this name since 1880.
When was Rb most popular?
Rb reached peak popularity in 1920, when 5 babies were given this name. The average age of a living person named Rb is approximately 33 years old, reflecting when the name was most commonly given.
Is Rb a male name?
Rb is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Rb Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rb Smith, Rb Johnson, Rb 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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