Quick answers about Isidoro
How many people are named Isidoro?
An estimated 821 living Americans are named Isidoro.
How rare is Isidoro?
Isidoro 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 Isidoro?
The median age of a living American named Isidoro is approximately 43 years, with most bearers falling between 30 and 59 years old.
Is Isidoro still popular?
Not especially. Isidoro has been declining since its 1929 peak and registered 0 births in 2025.
Where is Isidoro most common?
Isidoro has its strongest geographic signal in Texas, where it appears 9.3× more often than the national baseline.
1913Peak 19292025
Where it lives now
Isidoro is most concentrated in Texas — about 9.3× the national rate in the 1940s.
States where Isidoro is given more often than the national average — its present-day heartland.
3×+
2×+
1.5×+
1.2×+
~ national
