How Many People Are Named Adelai?
An estimated 257 people in the United States have the first name Adelai. It is almost exclusively a female name. The average bearer is 12 years old, and Adelai peaked in popularity in 2011 with 19 births that year.
Below you will find a full statistical profile of Adelai as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, state-by-state birth registrations, and, when available, a 2020 Census snapshot showing who had the name at that point in time. You can also check how many people share the full name Adelai paired with any surname.
Estimated Living Americans
257
About 1 in 1,333,674 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
12
years old
Peak Year
2011
19 births
Total Registered
259
since 1880
Gender Distribution for Adelai
Adelai is almost exclusively a female name. Out of 259 total births registered, 100.0% were female.
Adelai as a female name
Ranked #7,943 in 2024
13 female births in 2024
Peak: 2011 (19 births)
Adelai: Popularity Over Time
SSA records for Adelai span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2010s, when 149 babies were registered. While Adelai is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Adelai by Decade
How has Adelai 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.
Adelai by State
Adelai + Last Name Combinations
How many people share a full name with Adelai as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Adelai
Other first names starting with A with a similar number of bearers.
Adelai: Questions and Answers
How many people in the U.S. are named Adelai?
We estimate approximately 257 people named Adelai 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 1,333,674 Americans share this first name.
Is Adelai a common name?
Adelai is classified as "Very Rare" and is more popular than 77.4% of all first names in the SSA database. A total of 259 births have been registered with this name since 1880.
When was Adelai most popular?
Adelai reached peak popularity in 2011, when 19 babies were given this name. The average age of a living person named Adelai is approximately 12 years old, reflecting when the name was most commonly given.
What does the SSA popularity chart show?
The popularity chart tracks birth registrations, not people currently alive. It shows how often Adelai was given to babies from 1880 through 2024, which is why it is the best tool on the page for seeing long-run naming trends.
Is Adelai a female name?
Adelai is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
Why can Adelai have a lot of living bearers even if it is not trendy now?
Because a name can build up a large population over many decades. Adelai peaked in 2011, and the average living bearer is about 12 years old, so a name can still have millions of living bearers even after it stops feeling current for newborns.
How many Adelai Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Adelai Smith, Adelai Johnson, Adelai 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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