How Many People Are Named Rook?
An estimated 656 people in the United States have the first name Rook. It is predominantly male (96.2%). The average bearer is 9 years old, and Rook peaked in popularity in 2023 with 79 births that year.
Below you will find a full statistical profile of Rook 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 Rook paired with any surname.
Estimated Living Americans
656
About 1 in 522,491 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
96.2% confidence
Average Age
9
years old
Peak Year
2023
79 births
Total Registered
661
since 1880
Gender Distribution for Rook
Rook is predominantly male (96.2%), though 25 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Rook as a male name
Ranked #2,384 in 2024
59 male births in 2024
Peak: 2023 (71 births)
Rook as a female name
Ranked #13,151 in 2024
7 female births in 2024
Peak: 2023 (8 births)
Rook: Popularity Over Time
SSA records for Rook span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2010s, when 322 babies were registered. Rook remains highly popular today, with recent registration numbers near its historical peak.
Rook by Decade
How has Rook 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.
Rook by State
Birth registrations for Rook span all 8 states and territories in the SSA database. The highest counts are in Texas, California, Utah. The lowest are in Ohio, Florida, Arizona. On average, about 10 Rooks were registered per state.
Rook + Last Name Combinations
How many people share a full name with Rook as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rook
Other first names starting with R with a similar number of bearers.
Rook: Questions and Answers
How many people in the U.S. are named Rook?
We estimate approximately 656 people named Rook 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 522,491 Americans share this first name.
Is Rook a common name?
Rook is classified as "Very Rare" and is more popular than 87% of all first names in the SSA database. A total of 661 births have been registered with this name since 1880.
When was Rook most popular?
Rook reached peak popularity in 2023, when 79 babies were given this name. The average age of a living person named Rook is approximately 9 years old, reflecting when the name was most commonly given.
Is Rook a male name?
Rook is predominantly male. 96.2% of people with this name are male. See the gender breakdown above for full details.
How many Rook Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rook Smith, Rook Johnson, Rook 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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