How Many People Are Named Delia?
An estimated 20,334 people in the United States have the first name Delia. It is almost exclusively a female name. The average bearer is 48 years old, and Delia peaked in popularity in 1957 with 490 births that year.
Below you will find a full statistical profile of Delia 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 Delia paired with any surname.
Key Insights
- While Delia is overwhelmingly female, 62 male births have been registered with this name since 1880.
Estimated Living Americans
20,334
About 1 in 16,856 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.8% confidence
Average Age
48
years old
Peak Year
1957
490 births
Total Registered
37,235
since 1880
Gender Distribution for Delia
Delia is almost exclusively a female name. Out of 37,235 total births registered, 99.8% were female.
Delia as a male name
Ranked #4,963 in 1986
8 male births in 1986
Peak: 1986 (8 births)
Delia as a female name
Ranked #1,522 in 2024
141 female births in 2024
Peak: 1957 (490 births)
Delia: Popularity Over Time
SSA records for Delia span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1950s, when 4,595 babies were registered. Delia has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Delia by Decade
How has Delia 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.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1880s | 1,546 | 0 | 1,546 | |
| 1890s | 1,871 | 0 | 1,871 | |
| 1900s | 1,629 | 0 | 1,629 | |
| 1910s | 2,360 | 0 | 2,360 | |
| 1920s | 2,834 | 5 | 2,829 | |
| 1930s | 2,875 | 23 | 2,852 | |
| 1940s | 3,222 | 10 | 3,212 | |
| 1950s | 4,595 | 6 | 4,589 | |
| 1960s | 3,856 | 0 | 3,856 | |
| 1970s | 2,986 | 10 | 2,976 | |
| 1980s | 2,219 | 8 | 2,211 | |
| 1990s | 2,191 | 0 | 2,191 | |
| 2000s | 2,345 | 0 | 2,345 | |
| 2010s | 1,970 | 0 | 1,970 | |
| 2020s | 736 | 0 | 736 | |
Delia by State
Birth registrations for Delia span all 40 states and territories in the SSA database. The highest counts are in Texas, California, New York. The lowest are in Nebraska, Idaho, New Hampshire. On average, about 645 Delias were registered per state.
Delia + Last Name Combinations
How many people share a full name with Delia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Delia
Other first names starting with D with a similar number of bearers.
Delia: Questions and Answers
How many people in the U.S. are named Delia?
We estimate approximately 20,334 people named Delia 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 16,856 Americans share this first name.
Is Delia a common name?
Delia is classified as "Uncommon" and is more popular than 98.5% of all first names in the SSA database. A total of 37,235 births have been registered with this name since 1880.
When was Delia most popular?
Delia reached peak popularity in 1957, when 490 babies were given this name. The average age of a living person named Delia is approximately 48 years old, reflecting when the name was most commonly given.
Is Delia a female name?
Delia is predominantly female. 99.8% of people with this name are female. See the gender breakdown above for full details.
How many Delia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Delia Smith, Delia Johnson, Delia 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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