Popularity:
The name Aileen ranked 517th in popularity for females of all ages in a sample of 2000-2003 Social Security Administration statistics and 685th in popularity for females of all ages in a sample of the 1990 US Census.
Though this name has fluctuated in use, it has been quietly present throughout the last century.
Narrative:
Authorities believe this Gaelic source name derives from the Norman French Aveline, whose meaning is uncertain.