Aileen Girl

How popular is Aileen?

#799 girl name in 2025

340 baby girls were named Aileen in the US in 2025, making it the 799th most popular girl name.

Compare with other names
26,030living people named Aileen (est.)
26median age of people named Aileen
37,642babies named Aileen since 1880
1 in 9,751US babies born in 2025

Aileen popularity over time

0400800 18801900192019401960198020002020

Boys Girls

Rank in 2025#799 for girls (▼ 79 from 2024)
Babies in 2025340 girls
10-year trendFalling (-44% babies vs 2015)
Earlier ranks#514 in 2015, #696 in 2020
Peak year2009 (685 girls)
Highest rank#289 in 1926
First recorded1880
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it0.2% in a class of 25 kids born in 2025

Aileen counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Aileen family of names ranked #428 for girls in 2025 (#398 the year before), with 703 babies in all.

SpellingGirls in 2025Share
Aileen 340 48%
Ayleen 313 45%
Aleen 50 7%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Aileen is most popular

Babies named Aileen per 1,000 girls born in each state, 2021 to 2025. Darker means more common.

  1. California: 0.6 per 1,000 (504 girls)
  2. Texas: 0.6 per 1,000 (444 girls)
  3. Arizona: 0.4 per 1,000 (59 girls)
  4. Illinois: 0.4 per 1,000 (84 girls)
  5. New Jersey: 0.3 per 1,000 (60 girls)

Aileen by decade

DecadeBaby girlsBest rank
1880s63#686
1890s332#416
1900s818#336
1910s2,831#293
1920s4,648#289
1930s2,157#361
1940s1,629#515
1950s1,957#590
1960s2,308#610
1970s1,781#668
1980s2,356#660
1990s3,258#486
2000s5,821#454
2010s5,355#467
2020s2,323#678

Girl names about as popular as Aileen

Questions

Is Aileen a boy or girl name?
Aileen is mostly a girl name. Over the last 10 years, 100% of babies named Aileen were girls.
How popular is the name Aileen?
340 baby girls were named Aileen in the US in 2025, making it the 799th most popular girl name.
When was Aileen most popular?
Aileen peaked in 2009, when 685 girls were given the name. Its highest rank was #289 in 1926.
How many people are named Aileen?
37,642 babies have been named Aileen in the US since 1880. We estimate about 26,030 of them are alive in 2026, with a median age of 26.
Where is Aileen most popular?
From 2021 to 2025, Aileen was most common in California, at 0.6 of every 1,000 girls born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.