Quick answers about Billi
How many people are named Billi?
An estimated 1,530 living Americans are named Billi.
How rare is Billi?
Billi 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 Billi?
The median age of a living American named Billi is approximately 50 years, with most bearers falling between 40 and 55 years old.
Is Billi still popular?
Not especially. Billi has been declining since its 1976 peak and registered 0 births in 2025.
Where is Billi most common?
Billi has its strongest geographic signal in Ohio, where it appears 1.8× more often than the national baseline.
1915Peak 19762025
Where it lives now
Billi is most concentrated in Ohio — about 1.8× the national rate in the 1970s.
States where Billi is given more often than the national average — its present-day heartland.
3×+
2×+
1.5×+
1.2×+
~ national