How Many People Are Named Rubby?
An estimated 136 people in the United States have the first name Rubby. It is almost exclusively a female name. The average bearer is 49 years old, and Rubby peaked in popularity in 1925 with 11 births that year.
Below you will find a full statistical profile of Rubby 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 Rubby paired with any surname.
Estimated Living Americans
136
About 1 in 2,520,252 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
49
years old
Peak Year
1925
11 births
Total Registered
365
since 1880
Gender Distribution for Rubby
Rubby is almost exclusively a female name. Out of 365 total births registered, 100.0% were female.
Rubby as a female name
Ranked #14,670 in 2010
7 female births in 2010
Peak: 1925 (11 births)
Rubby: Popularity Over Time
SSA records for Rubby span from the 1910s to the 2010s, covering 11 decades of naming data. The most popular decade for this name was the 1920s, when 84 babies were registered. Rubby has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Rubby by Decade
How has Rubby 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.
Rubby by State
Rubby + Last Name Combinations
How many people share a full name with Rubby as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rubby
Other first names starting with R with a similar number of bearers.
Rubby: Questions and Answers
How many people in the U.S. are named Rubby?
We estimate approximately 136 people named Rubby 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 2,520,252 Americans share this first name.
Is Rubby a common name?
Rubby is classified as "Very Rare" and is more popular than 68.9% of all first names in the SSA database. A total of 365 births have been registered with this name since 1880.
When was Rubby most popular?
Rubby reached peak popularity in 1925, when 11 babies were given this name. The average age of a living person named Rubby is approximately 49 years old, reflecting when the name was most commonly given.
Is Rubby a female name?
Rubby is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Rubby Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rubby Smith, Rubby Johnson, Rubby 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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