How Many People Are Named Rollo?
An estimated 246 people in the United States have the first name Rollo. It is almost exclusively a male name. The average bearer is 50 years old, and Rollo peaked in popularity in 1918 with 38 births that year.
Below you will find a full statistical profile of Rollo 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 Rollo paired with any surname.
Estimated Living Americans
246
About 1 in 1,393,310 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
50
years old
Peak Year
1918
38 births
Total Registered
940
since 1880
Gender Distribution for Rollo
Rollo is almost exclusively a male name. Out of 940 total births registered, 100.0% were male.
Rollo as a male name
Ranked #7,614 in 2024
11 male births in 2024
Peak: 1918 (38 births)
Rollo: Popularity Over Time
SSA records for Rollo span from the 1880s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 1920s, when 222 babies were registered. Rollo has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Rollo by Decade
How has Rollo 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.
Rollo by State
Birth registrations for Rollo span all 3 states and territories in the SSA database. The highest counts are in Illinois, Michigan, Iowa. The lowest are in Iowa, Michigan, Illinois. On average, about 6 Rollos were registered per state.
Rollo + Last Name Combinations
How many people share a full name with Rollo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rollo
Other first names starting with R with a similar number of bearers.
Rollo: Questions and Answers
How many people in the U.S. are named Rollo?
We estimate approximately 246 people named Rollo 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 1,393,310 Americans share this first name.
Is Rollo a common name?
Rollo is classified as "Very Rare" and is more popular than 76.9% of all first names in the SSA database. A total of 940 births have been registered with this name since 1880.
When was Rollo most popular?
Rollo reached peak popularity in 1918, when 38 babies were given this name. The average age of a living person named Rollo is approximately 50 years old, reflecting when the name was most commonly given.
Is Rollo a male name?
Rollo is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Rollo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rollo Smith, Rollo Johnson, Rollo 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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