The Semon surname
In the 2010 U.S. Census, 1,638 people carried this name — #17,283 among all U.S. surnames, about 1 in every 178,600 people counted. That is up 1% from 1,623 in 2000.
In France’s civil register
France’s register of deaths holds 157 people named Semon.
8 of them were born outside France. Those born in France came from 32 départements, most often Doubs.
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 Switzerland’s population statistics
59 people named Semon live in Switzerland.
They live in 5 of Switzerland’s 26 cantons, most of all in Geneva.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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.
Who carried it
People named Semon,
with a public archive behind them.
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Richard Semon 1859–1918 · physician -
Larry Semon 1889–1928 · screenwriter -
Charles Semon 1812–1877 · mayor
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Henry Charles Semon 1881–1971 · physician
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Waldo Semon 1898–1999 · inventor
Wikidata and Wikimedia Commons (CC0).
Nearby in the index
Surnames next to Semon.
When the index is not enough
This page says where Semon 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.