Quick answers about Isaias
How many people are named Isaias?
An estimated 17,868 living Americans are named Isaias.
How rare is Isaias?
Isaias is moderately uncommon among babies today, with 755 boys receiving the name in 2025, matching its recorded peak.
How old is the typical Isaias?
The median age of a living American named Isaias is approximately 16 years, with most bearers falling between 7 and 25 years old.
Is Isaias still popular?
Yes — Isaias is currently rising in popularity, with 755 births in 2025. Births this decade are running about 1.2× higher than the previous decade.
Where is Isaias most common?
Isaias has its strongest geographic signal in Texas, where it appears 12.1× more often than the national baseline.
1915Peak 20252025
Diaspora map
Isaias spread fast — broke out in Arizona, California, Colorado, Oregon, and Texas (2020) and ran high in 12 states within a decade.
Broke out: Arizona, California, Colorado, Oregon, and Texas, 2020 · over-represented in 12 states over 4 years
Origin
≤5 yrs
≤15 yrs
16+ yrs
Holdout
