First Name
in the U.S.
since 1880
Last Name
in the U.S.
in 2010
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Meaning and Origin

What does the name Moon mean? Find out below.

Origin and Meaning of Moon

User Submitted Origins

     Indian (Sanskrit)

User Submitted Meanings

  • A submission from Luxembourg says the name Moon means "Door" and is of Korean origin.
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International Interest
Webster's Unabridged Dictionary
noun Moon
  1. The celestial orb which revolves round the earth; the satellite of the earth; a secondary planet, whose light, borrowed from the sun, is reflected to the earth, and serves to dispel the darkness of night. The diameter of the moon is 2,160 miles, its mean distance from the earth is 240,000 miles, and its mass is one eightieth that of the earth. See Lunar month, under Month."The crescent moon, the diadem of night." [Cowper.]
  2. A secondary planet, or satellite, revolving about any member of the solar system; as, the moons of Jupiter or Saturn.
  3. The time occupied by the moon in making one revolution in her orbit; a month.
  4. [Fort] A crescentlike outwork. See Half-moon.
  5. The deliberately exposed naked buttocks.(slang)

Etymology: OE. mone, AS. mōna; akin to D. maan, OS. & OHG. māno, G. mond, Icel. māni, Dan. maane, Sw. måne, Goth. mēna, Lith. menů, L. mensis month, Gr. mh`nh moon, mh`n month, Skr. mās moon, month; prob. from a root meaning to measure (cf. Skr. to measure), from its serving to measure the time. √271. Cf. Mete to measure, Menses Monday Month

verb Moon
  1. To expose to the rays of the moon."If they have it to be exceeding white indeed, they seethe it yet once more, after it hath been thus sunned and mooned." [Holland.]
  2. To expose one's naked buttocks to (a person); -- a vulgar sign of contempt or disrespect, sometimes done as a prank.
verb Moon
To act if moonstruck; to wander or gaze about in an abstracted manner.
Other Dictionary Sources
  1. Any natural satellite of a planet ("Jupiter has sixteen moons")
  2. The natural satellite of the Earth ("the average distance to the Moon is 384,400 kilometers" and "men first stepped on the moon in 1969")
  3. Any object resembling a moon ("he made a moon lamp that he used as a night light" and "the clock had a moon that showed various phases")
  4. United States religious leader (born in Korea) who founded the Unification Church in 1954; was found guilty of conspiracy to evade taxes (born in 1920)
  5. The light of the Moon ("moonlight is the smuggler's enemy" and "the Moon was bright enough to read by")
  6. The period between successive new moons (29.531 days)
  7. Expose one's buttocks to ("moon the audience")
  8. Be idle in a listless or dreamy way
  9. Have dreamlike musings or fantasies while awake

From Old English mōna, from Proto-Germanic *mēnô, from Proto-Indo-European *mḗh₁n̥s (“moon, month”), from *mē-² (“to measure”)

  1. The Earth's moon; the sole natural satellite of the Earth, represented in astronomy and astrology by ☾.
  2. (paganism) The god of the Moon in Heathenry.
  3. A surname​.

Notable Persons Named Moon

Joo Won is an actor, singing, and singer. Joo was given the name Moon Jun-won on September 30th, 1987 in Seoul.


Moon Zappa is an actress and author. She has had major accomplishments since 1982. Moon was given the name Moon Unit Zappa by her parents Frank Zappa and Gail Zappa on September 28th, 1967 in New York City, New York, U.S.


Moon Chae-won is an actor and actress. She was most active from 2007 to present. Moon was born on November 13th, 1986 in Daegu.


Moon Geun-young is an actor and actress. She was most prominent from 1997 to present. Moon was born on May 6th, 1987 in Gwangju.


Moon Jae-in is a Chairman of The Minjoo Party of Korea, Member of the National Assembly, Member of theNational Assembly, and Chairman ofThe Minjoo Party of Korea. His military service ended in 1978. Moon was born on January 24th, 1953 in Geoje.


Moon Hee-joon is a rock music and pop music singer-songwriter, choreography, and presenter. He was most prominent from 1996 to present. Moon was born on March 14th, 1978. Moon is also known as Moon Hee-jun.


Notable Persons With the Last Name Moon

Keith Moon was a musician, songwriter, producer, and actor. Keith was given the name Keith John Moon on August 23rd, 1946 in Wembley, London. He left this life on September 7th, 1978.


Warren Moon is a football player. Warren was born on November 18th, 1956 in Los Angeles.


Sun Myung Moon was a religious leader, businessperson, media mogul, political activist, and media proprietor. Sun was given the name Mun Yong-myeong on February 25th, 1920 in Chongju. He left this life on September 3rd, 2012.


Sailor Moon is an animanga character.



Where is the name Moon popular?

International Interest for Moon

Interest is based how many people viewed this name from each country and is scaled based on the total views by each country so that large countries do not always show the most interest. Darker blue on the map indicates that people in the country are more likely to search for this name.

Longer bars in the bar graph indicate that people in the country are more interested in the name. Not all countries that have shown an interest in the name are listed in the bar graph.

United States
United Kingdom
South Korea

Popularity in the US

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Popularity of Moon as a last name

The map shows the relative popularity of the name Moon as a last name in each of the states. See other popular names in Georgia, Alabama, or Idaho.

Common last names for Moon

  • Lee
  • Kim
  • Wong
  • Yee
  • Chung
  • Fong
  • Lew
  • Cho

Ethnicity Distribution

Ethnicity Moon U.S.
  White 65.69% 64.26%
  African American 10.02% 11.96%
  Asian, Hawaiian, and Pacific Islander 19.10% 4.85%
  American Indian and Alaska Native 0.99% 0.69%
  Two or More Ethnicities 2.18% 1.76%
  Hispanic or Latino 2.02% 16.26%

Of Last Name Moon

People with the last name Moon are most frequently White, African American, or Asian, Hawaiian, and Pacific Islander

Entire United States

Fun Facts about the name Moon

  • How Popular is the name Moon? Moon is the 32,260th most popular name of all time. As a last name Moon was the 758th most popular name in 2010.
  • How many people with the first name Moon have been born in the United States? From 1880 to 2017, the Social Security Administration has recorded 135 babies born with the first name Moon in the United States. That's more than enough people named Moon to occupy the territory of Pitcairn Islands (United Kingdom) with an estimated population of 66 (as of July 1, 2008).
  • What year were 5 or more babies first named Moon? The name was first given to 5 or more babies in the year 1972 when it was given as a first name to 6 new born babies.
  • When was Moon first recorded in the United States? The oldest recorded birth by the Social Security Administration for the first name Moon is Sunday, September 9th, 1877.
  • What year had the most people named Moon born? The highest recorded use of the first name Moon was in 2017 with a total of 22 babies.
  • Random Moon Factoid: According to the 1972 U.S. Social Security Administration data, the first name Moon is not a popular baby girl's name in California. Imagine that, only 6 babies in California have the same name as you in 1972.
  • Weird things about the name Moon: Your name in reverse order is Noom. A random rearrangement of the letters in your name (anagram) will give Mnoo. How do you pronounce that?
  • How many people have the last name Moon? In 2010, the U.S. Census Bureau surveyed 45,528 people with the last name Moon.
  • How likely are you to meet someone with the last name of Moon? If you manage to meet 100,000 people in your life, chances are that 15 of them will have Moon as their last name.

What Moons Have Visited This Page?

Name poster for Moon

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  • Sources:
  • U.S. Census Bureau: Frequently Occurring Surnames from the Census 2000 (public domain).
  • U.S. Social Security Administration: Popular Baby Names, Death Master File (public domain).
  • 1913 Webster's Revised Unabridged Dictionary via the Collaborative International Dictionary of English (License)
  • Other Dictionary Sources: WordNet 3.1 Copyright 2006 by Princeton University (License).
  • Wiktionary: Titles and License.
  • Notable persons via Wikipedia: Titles and License. Click each image for the attribution information.