How Many People Are Named Eileen?
An estimated 92,591 people in the United States have the first name Eileen. It is almost exclusively a female name. The average bearer is 61 years old, and Eileen peaked in popularity in 1947 with 4,267 births that year.
Below you will find a full statistical profile of Eileen 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 Eileen paired with any surname.
Key Insights
- While Eileen is overwhelmingly female, 406 male births have been registered with this name since 1880.
Estimated Living Americans
92,591
About 1 in 3,702 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.8% confidence
Average Age
61
years old
Peak Year
1947
4,267 births
Total Registered
189,576
since 1880
Gender Distribution for Eileen
Eileen is almost exclusively a female name. Out of 189,576 total births registered, 99.8% were female.
Eileen as a male name
Ranked #6,414 in 1989
7 male births in 1989
Peak: 1943 (17 births)
Eileen as a female name
Ranked #593 in 2024
508 female births in 2024
Peak: 1947 (4,251 births)
Eileen: Popularity Over Time
SSA records for Eileen span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1950s, when 36,647 babies were registered. Eileen has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Eileen by Decade
How has Eileen 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 | 81 | 0 | 81 | |
| 1890s | 438 | 0 | 438 | |
| 1900s | 1,351 | 0 | 1,351 | |
| 1910s | 12,718 | 12 | 12,706 | |
| 1920s | 28,623 | 35 | 28,588 | |
| 1930s | 22,349 | 91 | 22,258 | |
| 1940s | 34,802 | 108 | 34,694 | |
| 1950s | 36,647 | 78 | 36,569 | |
| 1960s | 24,925 | 58 | 24,867 | |
| 1970s | 7,933 | 17 | 7,916 | |
| 1980s | 5,696 | 7 | 5,689 | |
| 1990s | 4,109 | 0 | 4,109 | |
| 2000s | 3,801 | 0 | 3,801 | |
| 2010s | 3,835 | 0 | 3,835 | |
| 2020s | 2,268 | 0 | 2,268 | |
Eileen by State
Birth registrations for Eileen span all 51 states and territories in the SSA database. The highest counts are in New York, Pennsylvania, Illinois. The lowest are in Nevada, Alaska, Mississippi. On average, about 3,591 Eileens were registered per state.
Eileen + Last Name Combinations
How many people share a full name with Eileen as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Eileen
Other first names starting with E with a similar number of bearers.
Eileen: Questions and Answers
How many people in the U.S. are named Eileen?
We estimate approximately 92,591 people named Eileen 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 3,702 Americans share this first name.
Is Eileen a common name?
Eileen is classified as "Uncommon" and is more popular than 99.5% of all first names in the SSA database. A total of 189,576 births have been registered with this name since 1880.
When was Eileen most popular?
Eileen reached peak popularity in 1947, when 4,267 babies were given this name. The average age of a living person named Eileen is approximately 61 years old, reflecting when the name was most commonly given.
Is Eileen a female name?
Eileen is predominantly female. 99.8% of people with this name are female. See the gender breakdown above for full details.
How many Eileen Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Eileen Smith, Eileen Johnson, Eileen 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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