The story behind Rex
From Latin rēx (“king”). Doublet of rajah and roy.
Pronunciation
English; dialect unspecified: /ɹɛks/
Popularity
Rex ranked #859 in US for 2025.
Source: SSA national baby names
Names Similar to Rex
Max
Borrowed from German Max, diminutive of Maximilian in the 19th century, later also used as a nickname for Maxwell. Borrowed from German Max. Equivalent to a shortening of…
- Gender
- masculine
- Syllables
- 1 syllable
- Ending
- ends X
- same syllable count
- similar length
Pax
From Latin Pāx (“Peace”).
- Gender
- feminine
- Syllables
- 1 syllable
- Ending
- ends X
- same syllable count
- similar length
Ruth
From Ruth the Moabite, Hebrew רות, of uncertain origin, possibly meaning "companion". Also associated with the English noun ruth (“compassion”) by Puritans. From Middle Dutch…
- Gender
- feminine
- Syllables
- 1 syllable
- Ending
- ends H
- same syllable count
- similar length
Reine
A more gallicized form of Régine, from Latin Regina (“queen”)
- Gender
- feminine
- Syllables
- 1 syllable
- Ending
- ends E
- same syllable count
- similar length
René
Derived from French René. From French René. From Latin Renātus, name of a legendary 5th century French saint, from renātus (“reborn”), with identical meaning in French…
- Gender
- masculine
- Syllables
- 1 syllable
- Ending
- ends É
- same syllable count
- similar length
Rose
Inherited from Middle High German rôse, from Old High German rōsa, from Latin rosa. Borrowed from English Rose.
- Gender
- feminine
- Syllables
- 1 syllable
- Ending
- ends E
- same syllable count
- similar length
Middle Names for Rex
Abel
English Abel From Middle English Abel, from Old English Ābel, from Latin Abel, from Ancient Greek Ἅβελ (Hábel), from Biblical Hebrew הֶבֶל (Héḇel, “Abel”), possibly from the…
- Gender
- masculine
- Syllables
- 2 syllables
- Ending
- ends L
- balanced syllable contrast
- good length contrast
Adam
Middle English Adam English Adam From Middle English Adam, from Old English Adam, from Latin Adam, Adamus, from Ancient Greek Ἀδάμ (Adám), Ἄδαμος (Ádamos), from Biblical Hebrew…
- Gender
- masculine
- Syllables
- 2 syllables
- Ending
- ends M
- balanced syllable contrast
- good length contrast
Ajax
From Latin Aiāx, from Ancient Greek Αἴᾱς (Aíās).
- Gender
- masculine
- Syllables
- 2 syllables
- Ending
- ends X
- balanced syllable contrast
- good length contrast
Sibling Names for Rex
Abel
English Abel From Middle English Abel, from Old English Ābel, from Latin Abel, from Ancient Greek Ἅβελ (Hábel), from Biblical Hebrew הֶבֶל (Héḇel, “Abel”), possibly from the…
- Gender
- masculine
- Syllables
- 2 syllables
- Ending
- ends L
- compatible short style
- shared origin connection
Adam
Middle English Adam English Adam From Middle English Adam, from Old English Adam, from Latin Adam, Adamus, from Ancient Greek Ἀδάμ (Adám), Ἄδαμος (Ádamos), from Biblical Hebrew…
- Gender
- masculine
- Syllables
- 2 syllables
- Ending
- ends M
- compatible short style
- shared origin connection
Alma
Usually explained as Latin alma (“nourishing, kind”). It has also been used as a short form of Germanic compound names beginning with the element Amal-, as in Amelia. From…
- Gender
- feminine
- Syllables
- 2 syllables
- Ending
- ends A
- compatible short style
- shared origin connection