The Dapp surname
In the 2010 U.S. Census, 358 people carried this name — #56,972 among all U.S. surnames, about 1 in every 833,300 people counted. That is up 13% from 318 in 2000.
In Switzerland’s population statistics
217 people named Dapp live in Switzerland.
They live in 14 of Switzerland’s 26 cantons, most of all in Bern.
Where it concentrates, on the mapWhere they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
In France’s civil register
France’s register of deaths holds 83 people named Dapp.
1 of them were born outside France. Those born in France came from 17 départements, most often Bas-Rhin.
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.
In Argentina’s national register
At least 21 people named Dapp 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.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
Nearby in the index
Surnames next to Dapp.
- Dany 171 · U.S. census
- Danze 131 · U.S. census
- Dao 11,211 · U.S. census
- Daou 249 · U.S. census
- Daoud 1,875 · U.S. census
- Daoust 1,356 · U.S. census
- Dapremont 142 · U.S. census
- Daquin 286 · U.S. census
- Daras 173 · U.S. census
- Darby 18,757 · U.S. census
- Darce 266 · U.S. census
- Darche 245 · U.S. census
When the index is not enough
This page says where Dapp 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.