Quick answers about Ileen
How many people are named Ileen?
An estimated 975 living Americans are named Ileen.
How rare is Ileen?
Ileen fell below the SSA's 5-birth reporting floor in 2025. It is extremely rare as a new baby name.
How old is the typical Ileen?
The median age of a living American named Ileen is approximately 36 years, with most bearers falling between 20 and 66 years old.
Is Ileen still popular?
Not especially. Ileen has been declining since its 1924 peak and registered 0 births in 2025.
Where is Ileen most common?
Ileen has its strongest geographic signal in California, where it appears 4.6× more often than the national baseline.
1895Peak 19242025
Where it lives now
Ileen is most concentrated in California — about 3.6× the national rate in the 2010s.
States where Ileen is given more often than the national average — its present-day heartland.
3×+
2×+
1.5×+
1.2×+
~ national
