Aileen is a girl's name of Irish and Celtic origin. Its meaning is not recorded in the standard references we check — we would rather tell you that plainly than guess. In 2024 it was given to 390 girls in the United States.
Aileen at a glance
Gender
Girl name
Origin
Irish & Celtic
Meaning
Not recorded in standard references
Also spelled
Eileen
About the name Aileen
Aileen belongs to the Irish & Celtic tradition. Its roots are documented, even though its precise meaning is not recorded in the standard references — an honest gap we prefer to a confident guess. It travels in a few spellings: Eileen.
In the United States, Aileen first appears in Social Security records in 1880. It climbed to its best-ever rank of #289 in 1926, and in 2024 390 babies received the name — 37,293 in total since 1880. Those are the official counts, not estimates.
The meaning of Aileen is not recorded in the standard references we check. Rather than repeat an unsourced claim, we leave it open — its Irish and Celtic origin is documented, but its exact meaning is not.
Is Aileen a boy or girl name?
Aileen is a girl name. In 2024, 390 babies received the name in the US.
What origin is the name Aileen?
Aileen comes from the Irish & Celtic tradition. It is also spelled Eileen.
How popular is the name Aileen?
Aileen first appears in US records in 1880. Its best-ever ranking was #289 in 1926, and 390 babies were given the name in 2024.
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Meaning and origin for this page were checked against this source. US popularity figures are from the Social Security Administration's public baby-names data. If you spot an error, write to [email protected] — accuracy is the whole point of this site, and corrections are made fast.
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