Rex name meaning

First Name
in the U.S.
since 1880
Last Name
in the U.S.
in 2010

How to Pronounce Rex

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Meaning and Origin

What does the name Rex mean? Keep reading to find the user submitted meanings, dictionary definitions, and more.

Origin and Meaning of Rex

User Submitted Origins


User Submitted Meanings

  1. 11 submissions from all over the world agree the name Rex means "King" and is of Latin origin.
  2. A submission from North Dakota, U.S. says the name Rex means "King of the dinosours".
  3. According to a user from the United Arab Emirates, the name Rex means "King in Latin".
  4. According to a user from India, the name Rex is of Roman origin and means "King like Jesus is a king".
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International Interest
Also see international interest
Webster's Unabridged Dictionary
noun ‖Rex
A king.

Etymology: L

Other Dictionary Sources
  1. A male sovereign; ruler of a kingdom
  1. (formal, usually italicized) The reigning king.
  2. A male given name from Latin coined in the nineteenth century from Latin rex "king," rarely given today.
  3. A popular name for a dog.

Rex was also found in the following language(s): Cebuano

Notable Persons Named Rex

Notable Persons Named Rex

Rex Tillerson

Rex Tillerson is a chairman & ceo at, exxonmobil, chairman, chairman&ceoat, and exxon mobil corp.(2006–). Rex was born on March 23rd, 1952 in Wichita Falls, Texas.

Rex Tyler

Rex Tyler is a comics character.

Sir Rex Harrison

Sir Rex Harrison was an actor. He was most prominent from 1930 to 1989. Rex was given the name Reginald Carey Harrison on March 5th, 1908 in Huyton, Lancashire, England. He passed away on June 2nd, 1990.

Rex Ryan

Rex Ryan is an american football player. Rex was born on December 13th, 1962 in Ardmore, Oklahoma.

Dave Thomas

Dave Thomas was a founder, ceo of wendy's, wendy's, and ceo ofwendy's. Dave was given the name Rex David Thomas on July 2nd, 1932 in Atlantic City, New Jersey, US. He died on January 8th, 2002.

Rex Grossman

Rex Grossman is a football player. Rex was born on August 23rd, 1980 in Bloomington, Indiana.

  • Rex Brown
  • Rex Lee
  • Rex Linn
  • Rex Allen
  • Rex Burkhead
    Football Player
  • Rex Ingram
  • Rex Bell
    Lieutenant Governor of Nevada
  • Rex Walters
    Basketball Player
  • Rex E. Lee
    Office Holder
  • Rex Humbard
  • Rex Reason
  • Rex T. Barber
    Military Person
  • Rex Cherryman
  • Rex Beach

Notable Persons With the Last Name Rex

Notable Persons With the Last Name Rex

Simon Rex

Simon Rex is an actor, comedian, rapper, record producer, model, vj, rapping, and vj (media personality). He has been prominent since 1992. Simon was given the name Simon Rex Cutright on July 20th, 1974 in San Francisco, California, U.S.

Bananasaurus Rex

Bananasaurus Rex is a streamer and speed runner. Bananasaurus was given the name Aaron James Loder in 4 in Stephenville, Newfoundland and Labrador. Bananasaurus is also known as Loder and Aaron James.

Azalin Rex

Azalin Rex is a fictional character.


Rex was given the name Pseudonym .

Adam Rex

Adam Rex is a role-playing game and children's literature illustrator and writer. Adam was born on May 16th, 1973 in Dayton, Ohio, USA.

Al Rex

Al Rex is a jazz and country music bassist. He plays Bass guitar. He has been prominent since 1949. Al was given the name Albert Piccirilli on July 13th, 1928 in New York City, New York.


Ethnicity Distribution

Ethnicity Rex U.S.
  White 90.57% 64.26%
  African American 3.49% 11.96%
  Asian, Hawaiian, and Pacific Islander 0.97% 4.85%
  American Indian and Alaska Native 0.36% 0.69%
  Two or More Ethnicities 1.51% 1.76%
  Hispanic or Latino 3.09% 16.26%

Of Last Name Rex

People with the last name Rex are most frequently White

Entire United States

Fun Facts about the name Rex

  • How Popular is the name Rex? Rex is the 935th most popular name of all time. As a last name Rex was the 5,975th most popular name in 2010.
  • How many people with the first name Rex have been born in the United States? From 1880 to 2019, the Social Security Administration has recorded 58,458 babies born with the first name Rex in the United States. That's more than enough people named Rex to occupy the territory of Greenland (Denmark) with an estimated population of 56,749 (as of January 1, 2012).
  • What year were 5 or more babies first named Rex? The name was first given to 5 or more babies in the year 1880 when it was given as a first name to 13 new born babies.
  • When was Rex first recorded in the United States? The oldest recorded birth by the Social Security Administration for the first name Rex is Tuesday, December 28th, 1830.
  • What year had the most people named Rex born? The highest recorded use of the first name Rex was in 1951 with a total of 1,503 babies. That's a lot of babies named Rex!
  • Random Rex Factoid: According to the 1933 U.S. Social Security Administration data, the first name Rex ranks 79th in popularity as a baby boy's name in Utah. Imagine that, 17 babies in Utah have the same name in 1933.
  • Weird things about the name Rex: The name spelled backwards is Xer. A random rearrangement of the letters in the name (anagram) will give Rxe. How do you pronounce that?
  • How many people have the last name Rex? In 2010, the U.S. Census Bureau surveyed 5,758 people with the last name Rex.
  • How likely are you to meet someone with the last name of Rex? If you manage to meet 100,000 people in your life, chances are that 2 of them will have Rex as their last name.
  • Rex name meaning

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