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The short answer
Aileen is a feminine name used in Scottish and Irish. Behind the Name describes it this way: "Variant of Eileen." It ranked #799 for girls in the United States in 2025.
Meaning and etymology
According to Behind the Name, variant of Eileen. The entry lists its usage as Scottish, Irish, English.
Editorial confidence: likely
Popularity
Aileen ranked #799 for girls in the United States in 2025. The figure comes from the Social Security Administration's national file for that year.
| Region | Year | Rank | Source |
|---|---|---|---|
| United States | 2025 | #799 | ssa-2025 |
If you like this name
Names that Behind the Name files under the same origin (Scottish) and that sit near Aileen in the 2025 American rankings.
Similar by origin
Frequently asked questions
What does the name Aileen mean?
Behind the Name does not give Aileen a one-word meaning. It describes the name as follows: variant of Eileen.
Is Aileen a popular name?
Aileen ranked #799 for girls in the United States in 2025. (Social Security Administration data).
Is Aileen a boy's or a girl's name?
In the 2025 SSA data Aileen appears in the girls' list; Behind the Name labels it feminine.
Sources
- Behind the Name: Meaning, origin and history of the name Aileen — supports meaning, usage, pronunciation, variants.
- U.S. Social Security Administration: Popular Baby Names — national data, year of birth 2025 — supports popularity.
