Mahr surname: U.S. census count, rank and records | FamilyCrests

The Mahr surname

In the 2010 U.S. Census, 1,831 people carried this name — #15,883 among all U.S. surnames, about 1 in every 161,300 people counted. That is down 3% from 1,884 in 2000.

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In Switzerland’s population statistics

151 people named Mahr live in Switzerland.

They live in 11 of Switzerland’s 26 cantons, most of all in St. Gallen.

Where it concentrates, on the map

Where they live today

St. Gallen 69
Zurich 29
Thurgau 11
Aargau 11
Bern 9
Schaffhausen 6
Basel-Landschaft 4
Basel-Stadt 3

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 99 people named Mahr.

14 of them were born outside France. Those born in France came from 13 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

Born outside France 14
Bas-Rhin 36
Moselle 20
Meurthe-et-Moselle 13
Var 3
Paris 3
Vosges 2
Ille-et-Vilaine 2
Haut-Rhin 1

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 40 people named Mahr 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

Buenos Aires Province 40

RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.

In print

Mahr in American newspapers,
1903–1929.

Newspaper page from The Wolf Point Herald carrying the name Mahr
The Wolf Point Herald 1929-07-12
Newspaper page from The Billings Gazette carrying the name Mahr
The Billings Gazette 1903-09-29
Newspaper page from Newark Evening Star And Newark Advertiser carrying the name Mahr
Newark Evening Star And Newark Advertiser 1914-05-02

Chronicling America, Library of Congress — digitised newspapers in the public domain · 17,926 pages in all carry the name.

Who carried it

People named Mahr,
with a public archive behind them.

  • Johann Andreas Mahr 1750–1829 · piano maker
  • Johann Mahr 1787–1869 · civil servant
  • Melchior Mahr 1789–1842
  • Jakob Franc Mahr 1800–1845 · educator
  • Friedrich Mahr 1810–1881 · physician
  • Tobias Paul Carl Mahr 1813–1879 · carpenter

Wikidata (CC0) · 10 lives in all are documented under this name.

Nearby in the index

Surnames next to Mahr.

When the index is not enough

This page says where Mahr 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.

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