How Many People Are Named Rilah?
An estimated 71 people in the United States have the first name Rilah. It is almost exclusively a female name. The average bearer is 5 years old, and Rilah peaked in popularity in 2020 with 20 births that year.
Below you will find a full statistical profile of Rilah 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 Rilah paired with any surname.
Key Insights
- Rilah is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
71
About 1 in 4,827,526 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
5
years old
Peak Year
2020
20 births
Total Registered
71
since 1880
Gender Distribution for Rilah
Rilah is almost exclusively a female name. Out of 71 total births registered, 100.0% were female.
Rilah as a female name
Ranked #7,855 in 2024
14 female births in 2024
Peak: 2020 (20 births)
Rilah: Popularity Over Time
SSA records for Rilah span from the 2010s to the 2020s, covering 2 decades of naming data. The most popular decade for this name was the 2020s, when 60 babies were registered. Rilah remains highly popular today, with recent registration numbers near its historical peak.
Rilah by Decade
How has Rilah 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.
Rilah + Last Name Combinations
How many people share a full name with Rilah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rilah
Other first names starting with R with a similar number of bearers.
Rilah: Questions and Answers
How many people in the U.S. are named Rilah?
We estimate approximately 71 people named Rilah 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 4,827,526 Americans share this first name.
Is Rilah a common name?
Rilah is classified as "Very Rare" and is more popular than 59.5% of all first names in the SSA database. A total of 71 births have been registered with this name since 1880.
When was Rilah most popular?
Rilah reached peak popularity in 2020, when 20 babies were given this name. The average age of a living person named Rilah is approximately 5 years old, reflecting when the name was most commonly given.
Is Rilah a female name?
Rilah is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Rilah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rilah Smith, Rilah Johnson, Rilah 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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