How common is the surname Mars?

4,384 people in the United States had the surname Mars in the 2010 Census, about 1 in every 70,426 Americans. It ranked 7,580th of 162,253 surnames.

Who is the most famous person named Mars?

Mick Mars, American guitarist, followed by Kenneth Mars.

Where is the surname Mars most common?

Wikidata records people named Mars in the United States and France.

How do you pronounce Mars?

Mars is /ˈmɑɹz/, one syllable.

Is the surname Mars getting more or less common?

Less common. 4,523 people carried it in the 2000 Census and 4,384 in 2010, down 3.1%.

The surname Mars

A surname, carried by 4,384 people in the United States.

Pronounced /ˈmɑɹz/ 1 syllable Soundex M620

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Mars is more common than 95.3% of them.

Origin

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.

Origin from Wiktionary (CC BY-SA 4.0).

How common it is

2010 US Census

There were 4,384 people named Mars in the United States in 2010, about 1 in every 70,426 Americans. That is down 3.1% since 2000, when the Census counted 4,523.

#7,580

rank among US surnames

4,384

people in 2010

1.5

per 100,000 Americans

-3.1%

change since 2000 (was #6,850)

Rank	Surname	People	1 in
#7,572	Sunderland	4,387	70,377
#7,575	Devera	4,386	70,393
#7,578	Wideman	4,385	70,409
#7,580	Mars	4,384	70,426
#7,582	Vanhouten	4,383	70,442
#7,584	Wilfong	4,382	70,458

Who is named Mars

Race and Hispanic origin as people reported it in the 2010 Census

67% of people named Mars identified as white (not Hispanic), 25% as Black (not Hispanic) and 4.4% as Hispanic or Latino (any race).

White (not Hispanic) 67%
Black (not Hispanic) 25%
Hispanic or Latino (any race) 4.4%
Two or more races 2.5%
Asian and Pacific Islander 1.1%
American Indian and Alaska Native 0.8%

Compare: most common surnames among white Americans.

Famous Marss

9 notable people on Wikidata, most written-about first

Mick Mars
American guitarist, born 1951
Kenneth Mars
American actor (1935-2012)
Jacqueline Mars
American billionaire and philanthropist, member of Mars family of candy fame, born 1939
Franklin Clarence Mars
American businessman (1883–1934)
Betty Mars
Actress and singer from France, 1944–1989
Forrest Mars
American businessman (1904–1999)
Natalie Mars
American transgender pornographic actress, born 1984
John Franklyn Mars
American businessman, born 1935
Tommy Mars
American musician, born 1951

Notable Marss come mostly from the United States (8) and France (1).

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like Mars

Mars has the Soundex code M620, the code US census indexes have used since the 1930s. Every surname with code M620.

Questions

Where does the surname Mars come from?: 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.
How common is the surname Mars?: 4,384 people in the United States had the surname Mars in the 2010 Census, about 1 in every 70,426 Americans. It ranked 7,580th of 162,253 surnames.
What ethnicity is the surname Mars?: In the 2010 Census, 67% of people named Mars identified as white (not Hispanic), and 25% as Black (not Hispanic).
Who is the most famous person named Mars?: Mick Mars, American guitarist, followed by Kenneth Mars.
Where is the surname Mars most common?: Wikidata records people named Mars in the United States and France.
How do you pronounce Mars?: Mars is /ˈmɑɹz/, one syllable.
Is the surname Mars getting more or less common?: Less common. 4,523 people carried it in the 2000 Census and 4,384 in 2010, down 3.1%.