The Mars surname
In the 2010 U.S. Census, 4,384 people carried this name — #7,580 among all U.S. surnames, about 1 in every 67,100 people counted. That is down 3% from 4,523 in 2000.
Where the name comes from
The origin of the Mars surname
Possibly a variant of Marrs, itself from Marr with post-medieval excrescent -s. The Mars bar was named after Franklin Clarence Mars, who founded the company that produces these chocolate bars.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Mars» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In France’s civil register
France’s register of deaths holds 867 people named Mars.
41 of them were born outside France. Those born in France came from 78 départements, most often Nord.
Where it concentrates, on the mapWhere 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 207 people named Mars 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 Santa Fe.
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 Poland’s population register
188 people named Mars have a registered home in Poland.
Of the 224 in Poland’s national register, these are the ones with a permanent address on file. They live in 4 of Poland’s 16 voivodeships, most of all in Lesser Poland.
Where it concentrates, on the mapWhere they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
In Belgium’s population register
At least 66 people named Mars live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Luxembourg Province.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In the Nordic population registers
444 people named Mars are counted in Sweden and Finland.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published. Finland counts its citizens, at home or abroad.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown) · Digital and Population Data Services Agency (DVV), Finland, surname statistics, August 2026 — CC BY 4.0.
In print
Mars in American newspapers,
1892–1918.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 480,418 pages in all carry the name.
Who carried it
People named Mars,
with a public archive behind them.
-
Mademoiselle Mars 1779–1847 · stage actor -
Antony Mars 1860–1915 · playwright -
Mademoiselle Marsy 1866–1942 · actor -
Ed Mars 1866–1941 · baseball player -
Georgina Mars d. 1828 · actor
-
Noël Mars 1576–1611 · Catholic priest
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Mars.
- Marrier 259 · U.S. census
- Marro 1,812 · U.S. census
- Marrocco 744 · U.S. census
- Marron 5,129 · U.S. census
- Marrone 3,818 · U.S. census
- Marry 409 · U.S. census
- Marsac 199 · U.S. census
- Marsala 1,576 · U.S. census
- Marsan 497 · U.S. census
- Marschall 1,075 · U.S. census
- Marseille 650 · U.S. census
- Marsella 929 · U.S. census
When the index is not enough
This page says where Mars 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.