The Dio surname
In the 2010 U.S. Census, 244 people carried this name — #78,316 among all U.S. surnames, about 1 in every 1,250,000 people counted. That is up 14% from 214 in 2000.
In France’s civil register
France’s register of deaths holds 57 people named Dio.
8 of them were born outside France. Those born in France came from 10 départements, most often Tarn-et-Garonne.
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.
Who carried it
People named Dio,
with a public archive behind them.
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Louis Dio 1908–1994 · military personnel
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Karine Dio 1988– · badminton player
Wikidata (CC0).
Nearby in the index
Surnames next to Dio.
- Ding 4,973 · U.S. census
- Dinga 288 · U.S. census
- Dinger 3,414 · U.S. census
- Dinh 17,081 · U.S. census
- Dini 761 · U.S. census
- Dino 937 · U.S. census
- Diogo 320 · U.S. census
- Dion 8,395 · U.S. census
- Dionis 123 · U.S. census
- Dionisi 193 · U.S. census
- Dionisio 1,934 · U.S. census
- Diop 2,246 · U.S. census
When the index is not enough
This page says where Dio 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.