How Many People Are Named Rein?
An estimated 256 people in the United States have the first name Rein. It is used for both genders, with 58.1% male. The average bearer is 12 years old, and Rein peaked in popularity in 2023 with 27 births that year.
Below you will find a full statistical profile of Rein 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 Rein paired with any surname.
Estimated Living Americans
256
About 1 in 1,338,884 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
58.1% confidence
Average Age
12
years old
Peak Year
2023
27 births
Total Registered
260
since 1880
Gender Distribution for Rein
Rein is a genuinely unisex name, used for both males (58.1%) and females (41.9%). Out of 260 total births registered, 151 were male and 109 were female.
Rein as a male name
Ranked #6,383 in 2024
14 male births in 2024
Peak: 2024 (14 births)
Rein as a female name
Ranked #7,560 in 2023
15 female births in 2023
Peak: 2023 (15 births)
Rein: Popularity Over Time
SSA records for Rein span from the 1950s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2010s, when 102 babies were registered. Rein remains highly popular today, with recent registration numbers near its historical peak.
Rein by Decade
How has Rein 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.
Rein + Last Name Combinations
How many people share a full name with Rein as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rein
Other first names starting with R with a similar number of bearers.
Rein: Questions and Answers
How many people in the U.S. are named Rein?
We estimate approximately 256 people named Rein 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 1,338,884 Americans share this first name.
Is Rein a common name?
Rein is classified as "Very Rare" and is more popular than 77.4% of all first names in the SSA database. A total of 260 births have been registered with this name since 1880.
When was Rein most popular?
Rein reached peak popularity in 2023, when 27 babies were given this name. The average age of a living person named Rein is approximately 12 years old, reflecting when the name was most commonly given.
Is Rein a male name?
Rein is predominantly male. 58.1% of people with this name are male. See the gender breakdown above for full details.
How many Rein Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rein Smith, Rein Johnson, Rein 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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