How Many People Are Named Roby?
An estimated 1,460 people in the United States have the first name Roby. It is predominantly male (95.4%). The average bearer is 54 years old, and Roby peaked in popularity in 1964 with 50 births that year.
Below you will find a full statistical profile of Roby 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 Roby paired with any surname.
Key Insights
- While Roby is overwhelmingly male, 118 female births have been registered with this name since 1880.
Estimated Living Americans
1,460
About 1 in 234,763 people in the U.S.
Rarity
Rare
Predicted Gender
Male
95.4% confidence
Average Age
54
years old
Peak Year
1964
50 births
Total Registered
2,592
since 1880
Gender Distribution for Roby
Roby is predominantly male (95.4%), though 118 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Roby as a male name
Ranked #8,135 in 2023
10 male births in 2023
Peak: 1964 (50 births)
Roby as a female name
Ranked #11,477 in 1979
5 female births in 1979
Peak: 1915 (9 births)
Roby: Popularity Over Time
SSA records for Roby span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1960s, when 364 babies were registered. Roby has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Roby by Decade
How has Roby 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.
Roby by State
Birth registrations for Roby span all 9 states and territories in the SSA database. The highest counts are in North Carolina, Texas, Virginia. The lowest are in Ohio, Illinois, Georgia. On average, about 48 Robys were registered per state.
Roby + Last Name Combinations
How many people share a full name with Roby as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Roby
Other first names starting with R with a similar number of bearers.
Roby: Questions and Answers
How many people in the U.S. are named Roby?
We estimate approximately 1,460 people named Roby 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 234,763 Americans share this first name.
Is Roby a common name?
Roby is classified as "Rare" and is more popular than 92.3% of all first names in the SSA database. A total of 2,592 births have been registered with this name since 1880.
When was Roby most popular?
Roby reached peak popularity in 1964, when 50 babies were given this name. The average age of a living person named Roby is approximately 54 years old, reflecting when the name was most commonly given.
Is Roby a male name?
Roby is predominantly male. 95.4% of people with this name are male. See the gender breakdown above for full details.
How many Roby Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Roby Smith, Roby Johnson, Roby 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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