Rex
Top 1000
About Rex
Now that many dogs are named Max, it's safe to use this sleek, solid, regal name again for your child. And with the charm of its final x, its regal meaning, and its offbeat simplicity, Rex is definitely one to consider.
Coldplay's Will Champion used it for his twin son, and Natascha McElhone gave her little boy the doubly cool appellation Rex Coltrane, and Niki Taylor — intentionally or not — gave her son the full name of the British My Fair Lady star, Rex Harrison (who was actually christened Reginald). And quite fittingly, Rex is name of a toy T-Rex in Toy Story.
Other options: the French version Regis or the literal King.
Pronounced REKS.
As of October 2026, Rex ranked #859 in US births in 2025 SSA, peaked at #170 in 1951, Nameberry popularity #634.
Editor's take: The name Rex is a boy's name of Latin origin meaning "king".
Popularity & trends
Data table
| Year | US rank | Births | Per million |
|---|---|---|---|
| 2014 | #661 | 389 | 202.5 |
| 2015 | #680 | 374 | 195.1 |
| 2016 | #633 | 423 | 222.9 |
| 2017 | #607 | 434 | 234.5 |
| 2018 | #632 | 420 | 231.3 |
| 2019 | #651 | 410 | 228.5 |
| 2020 | #683 | 377 | 218.4 |
| 2021 | #699 | 379 | 216.6 |
| 2022 | #697 | 380 | 217.6 |
| 2023 | #723 | 367 | 214.5 |
| 2024 | #794 | 316 | 183.4 |
| 2025 | #859 | 281 | 164.5 |
World rankings
Similar names
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Rex on lists
Famous Rexs
- Reginald Carey "Rex" Harrison
English actor
- Rex Burkhead
American NFL football player
- Rex Daniel Grossman
American NFL football player
- Rex Hadnot
American NFL football player
- Rex Murphy
Canadian newscaster
- Rex Goudie
Canadian Singer
- Rex Ashley Ryan
American NFL football Coach
- Rex Maynard Linn
American actor
- Rex McNicol Robbins
American character actor
- Rex Lee
American actor
- Rex Allen
American actor
- Rex Darwin Davis
first director of the U.S. ATF agency
- Rex Wayne Tillerson
American Secretary of State and CEO of Exxon
- Rex Todhunter Stout
American detective novelist
- Rex Russell (b. 2003)
son of actress Hetty Baynes and director Ken Russell
- Rex Champion (b. 2008)
son of drummer Will Champion of Coldplay; twin of sister Juno Champion
- Rex Coltrane Kelly (b. 2009)
son of actress Natascha McElhone and Martin Kelly
- Rex William Wickham (b. 2010)
son of English author Sophie Kinsella
- Rex Harrison Lamar (b. 2011)
son of model Niki Taylor and Burney Lamar
- Rex (b. 2015)
son of actress Lucy Punch
Rex in pop culture
- Rex Manning
character in the movie Empire Records
- Rex DiMera
character on American soap opera Days of Our Lives
- Rex Britten
character on TV's "Awake"
- Rex aka Racer X
character in anime Speed Racer
- Rex
dinosaur in the Toy Story films
- Rex Van de Kamp
character on TV's "Desperate Housewives"
- Captain Rex
character in 2008 animated television series "Star Wars: The Clone Wars"
- Rex Kyubi
character in video game 'Ace Attorney'
- Reginald "Rex" Bateman
main character in G. A. Henty's, With the Allies to Pekin
- Rex The Tyrannosaurus Rex
character in "We're Back! A Dinosaur's Story"
- Rex Powers
Robbie Shapiro's puppet/dummy on TV's "Victorious"
- Rex Splode
character in Invincible comics
- Oedipus Rex
Latin name for the play by Sophocles
- Rex Mason (aka Metamorpho)
character in the DC Universe
- Rex Salazar
main character in 2010 animated television series "Generator Rex"