How Many People Are Named Rainier?
An estimated 864 people in the United States have the first name Rainier. It is predominantly male (94.8%). The average bearer is 20 years old, and Rainier peaked in popularity in 2023 with 51 births that year.
Below you will find a full statistical profile of Rainier 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 Rainier paired with any surname.
Estimated Living Americans
864
About 1 in 396,706 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
94.8% confidence
Average Age
20
years old
Peak Year
2023
51 births
Total Registered
885
since 1880
Gender Distribution for Rainier
Rainier is predominantly male (94.8%), though 46 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Rainier as a male name
Ranked #4,033 in 2024
27 male births in 2024
Peak: 2023 (41 births)
Rainier as a female name
Ranked #10,143 in 2023
10 female births in 2023
Peak: 2019 (11 births)
Rainier: Popularity Over Time
SSA records for Rainier span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2010s, when 282 babies were registered. While Rainier is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Rainier by Decade
How has Rainier 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.
Rainier by State
Birth registrations for Rainier span all 4 states and territories in the SSA database. The highest counts are in California, Washington, New York. The lowest are in Oregon, New York, Washington. On average, about 45 Rainiers were registered per state.
Rainier + Last Name Combinations
How many people share a full name with Rainier as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rainier
Other first names starting with R with a similar number of bearers.
Rainier: Questions and Answers
How many people in the U.S. are named Rainier?
We estimate approximately 864 people named Rainier 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 396,706 Americans share this first name.
Is Rainier a common name?
Rainier is classified as "Very Rare" and is more popular than 89.1% of all first names in the SSA database. A total of 885 births have been registered with this name since 1880.
When was Rainier most popular?
Rainier reached peak popularity in 2023, when 51 babies were given this name. The average age of a living person named Rainier is approximately 20 years old, reflecting when the name was most commonly given.
Is Rainier a male name?
Rainier is predominantly male. 94.8% of people with this name are male. See the gender breakdown above for full details.
How many Rainier Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rainier Smith, Rainier Johnson, Rainier 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 0 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau estimate. Full methodology.
Search for a full name combination
How Many of Me