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

The Mahon surname

In the 2010 U.S. Census, 9,441 people carried this name — #3,749 among all U.S. surnames, about 1 in every 31,300 people counted. That is up 1% from 9,327 in 2000.

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Where the name comes from

The origin of the Mahon surname

Variant of Mahoney.

From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Mahon» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.

In Ireland’s birth registers, 1890

Ireland registered 87 births for the Mahon name in 1890.

They were registered in all four provinces, most of all in Leinster. By the Registrar-General’s own method — births multiplied by 44.38 — that is about 3,900 people bearing the name in Ireland at the time.

Where it concentrates, on the map

Where they were born, 1890

Leinster 40
Connacht 28
Ulster 16
Munster 3

Registrar-General for Ireland, «Special Report on Surnames in Ireland» (R. E. Matheson, 1894), births index of 1890 — public domain.

In France’s civil register

France’s register of deaths holds 239 people named Mahon.

8 of them were born outside France. Those born in France came from 40 départements, most often Oise.

Where it concentrates, on the map

Where they were born

Born outside France 8
Oise 29
Paris 27
Bas-Rhin 25
Doubs 25
Nord 20
Loiret 16
Hauts-de-Seine 8
Territoire de Belfort 8

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 192 people named Mahon 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 map

Where they live today

Buenos Aires Province 160
City of Buenos Aires 19
Santa Fe 13

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

In Switzerland’s population statistics

128 people named Mahon live in Switzerland.

They live in 10 of Switzerland’s 26 cantons, most of all in Jura.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

Jura 50
Vaud 28
Bern 15
Zurich 7
Geneva 7
Neuchâtel 6
Fribourg 5
Aargau 4

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 print

Mahon in American newspapers,
1908–1911.

Newspaper page from The Salt Lake Herald carrying the name Mahon
The Salt Lake Herald 1908-06-28
Newspaper page from The Hawaiian Star carrying the name Mahon
The Hawaiian Star 1911-12-05
Newspaper page from The Hawaiian Gazette carrying the name Mahon
The Hawaiian Gazette 1911-11-28

Chronicling America, Library of Congress — digitised newspapers in the public domain · 373,654 pages in all carry the name.

Who carried it

People named Mahon,
with a public archive behind them.

  • John Mahon d. 1846
  • Anne Mahon d. 1833
  • Audrey Evelyn Jagger d. 1957
  • Suzanne Donnellan d. 2009
  • Mary Burrard d. 1944
  • Maria Minchin d. 1783

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

Nearby in the index

Surnames next to Mahon.

When the index is not enough

This page says where Mahon 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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