How Many People Are Named Rubi?
An estimated 8,657 people in the United States have the first name Rubi. It is almost exclusively a female name. The average bearer is 21 years old, and Rubi peaked in popularity in 2005 with 716 births that year.
Below you will find a full statistical profile of Rubi 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 Rubi paired with any surname.
Estimated Living Americans
8,657
About 1 in 39,593 people in the U.S.
Rarity
Rare
Predicted Gender
Female
99.8% confidence
Average Age
21
years old
Peak Year
2005
716 births
Total Registered
8,836
since 1880
Gender Distribution for Rubi
Rubi is almost exclusively a female name. Out of 8,836 total births registered, 99.8% were female.
Rubi as a male name
Ranked #8,260 in 1992
6 male births in 1992
Peak: 1990 (8 births)
Rubi as a female name
Ranked #1,096 in 2024
224 female births in 2024
Peak: 2005 (716 births)
Rubi: Popularity Over Time
SSA records for Rubi span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2000s, when 3,425 babies were registered. While Rubi is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Rubi by Decade
How has Rubi 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.
Rubi by State
Birth registrations for Rubi span all 33 states and territories in the SSA database. The highest counts are in California, Texas, Illinois. The lowest are in Idaho, Iowa, Kentucky. On average, about 217 Rubis were registered per state.
Rubi + Last Name Combinations
How many people share a full name with Rubi as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rubi
Other first names starting with R with a similar number of bearers.
Rubi: Questions and Answers
How many people in the U.S. are named Rubi?
We estimate approximately 8,657 people named Rubi 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 39,593 Americans share this first name.
Is Rubi a common name?
Rubi is classified as "Rare" and is more popular than 97.5% of all first names in the SSA database. A total of 8,836 births have been registered with this name since 1880.
When was Rubi most popular?
Rubi reached peak popularity in 2005, when 716 babies were given this name. The average age of a living person named Rubi is approximately 21 years old, reflecting when the name was most commonly given.
Is Rubi a female name?
Rubi is predominantly female. 99.8% of people with this name are female. See the gender breakdown above for full details.
How many Rubi Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rubi Smith, Rubi Johnson, Rubi 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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