The Niro surname
In the 2000 U.S. Census, 522 people carried this name — #39,617 among all U.S. surnames, about 1 in every 526,300 people counted.
In France’s civil register
France’s register of deaths holds 154 people named Niro.
57 of them were born outside France. Those born in France came from 12 départements, most often Paris.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
Nearby in the index
Surnames next to Niro.
When the index is not enough
This page says where Niro is.
A volume says what happened to it.
Every page in the index is free and stays free. The Heritage Volume is the long form: the full paper trail, the arms, the crossing — bound, and yours.