How Many People Are Named Aileen?
people named Aileen are alive in the United States today (estimate)
About 1 in 13,300 people in the US has this name
Based on 37,642 babies named Aileen in Social Security records from 1880 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎 Rare
Peak Year
685 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Variant of EILEEN.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
Same Sound, Other Spellings
These names are pronounced like Aileen in English. Counting Aileen and these spellings together, about 146,857 people alive in the US have the name.
⚧ Gender Distribution
All of the babies given the name Aileen in the records were girls.
👥 Age Distribution
The average person named Aileen alive today is about 32 years old, and 59% are under 30. Half of them were between 14 and 48 in 2025.
📈 Popularity Over Time
Aileen first appears in the records in 1880 and was given most often in 2009, to 685 babies. In 2025, 340 babies got the name.
Babies given the name each year, 1880 to 2025
🏆 Rank History
Aileen has never been one of the 100 most popular girls' names. Its best rank was #289, in 1926. In 2025 it ranked #799.
| Girls | |
|---|---|
| Rank in 2025 | #799 |
| Best rank | #289 (1926) |
| Years in the top 100 | None |
| Rank in its biggest decade | #514 in the 2000s |
📍 State-Wise Distribution
People named Aileen alive today, by the state where they were born (estimate; state records start in 1910).
More people named Aileen were born in California than in any other state: about 7,256 of those alive today. Compared with the national rate in the same years, Aileen was given 7.1 times as often in Hawaii, 2.6 times in California and 1.9 times in Nevada.
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