How Many People Are Named Idelia?
An estimated 29 people in the United States have the first name Idelia. It is almost exclusively a female name. The average bearer is 70 years old, and Idelia peaked in popularity in 1915 with 9 births that year.
Below you will find a full statistical profile of Idelia 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 Idelia paired with any surname.
Key Insights
- With an average bearer age of 70, Idelia is a vintage name most associated with earlier generations. Most living bearers were born before 1966.
- Idelia is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
29
About 1 in 11,819,115 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
70
years old
Peak Year
1915
9 births
Total Registered
126
since 1880
Gender Distribution for Idelia
Idelia is almost exclusively a female name. Out of 126 total births registered, 100.0% were female.
Idelia as a female name
Ranked #16,275 in 2001
5 female births in 2001
Peak: 1915 (9 births)
Idelia: Popularity Over Time
SSA records for Idelia span from the 1900s to the 2000s, covering 8 decades of naming data. The most popular decade for this name was the 1920s, when 30 babies were registered. Idelia has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Idelia by Decade
How has Idelia 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.
Idelia + Last Name Combinations
How many people share a full name with Idelia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Idelia
Other first names starting with I with a similar number of bearers.
Idelia: Questions and Answers
How many people in the U.S. are named Idelia?
We estimate approximately 29 people named Idelia 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 11,819,115 Americans share this first name.
Is Idelia a common name?
Idelia is classified as "Very Rare" and is more popular than 46% of all first names in the SSA database. A total of 126 births have been registered with this name since 1880.
When was Idelia most popular?
Idelia reached peak popularity in 1915, when 9 babies were given this name. The average age of a living person named Idelia is approximately 70 years old, reflecting when the name was most commonly given.
Is Idelia a female name?
Idelia is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Idelia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Idelia Smith, Idelia Johnson, Idelia 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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