The Dematteis surname
In the 2010 U.S. Census, 695 people carried this name — #32,960 among all U.S. surnames, about 1 in every 416,700 people counted. That is down 2% from 709 in 2000.
In Argentina’s national register
At least 257 people named Dematteis live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Buenos Aires Province.
Where it concentrates, on the mapWhere they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 89 people named Dematteis.
18 of them were born outside France. Those born in France came from 21 départements, most often Alpes-Maritimes.
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 Dematteis.
- Demart 104 · U.S. census
- Demartin 470 · U.S. census
- Demartini 1,691 · U.S. census
- Demary 685 · U.S. census
- Demas 1,499 · U.S. census
- Demasse 105 · U.S. census
- Demay 1,286 · U.S. census
- Dembski 329 · U.S. census
- Deme 295 · U.S. census
- Demeester 364 · U.S. census
- Demenge 117 · U.S. census
- Demerson 258 · U.S. census
When the index is not enough
This page says where Dematteis 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.