N
NamyLab

Rex

male
Updated 7 months ago

Meaning

"King"

Directly from Latin for king, used as a concise given name with a clear titular semantic value.

Themes:kinglatinshorttitle
RoyalRegal

Fact-checked by Dr. Elena Vasquez

Ph.D. Medieval History, StanfordPublished Academic ResearcherHistory Professor (Adjunct) • Historical Names Consultant

This name has been verified against authoritative sources including SSA data, etymology databases, and cultural naming traditions.

Popularity History of Rex

Full SSA rank history from 1880 to 2024

#794Top 1000

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Yearly Ranking Snapshot

Pick any SSA release year to inspect that year's national ranking and how it changed from the year before.

Selected Year Rank
#794

Rex was nationally ranked in 2024.

Change Vs Previous Year
-71

lower than 2023

Data Source

Popularity rankings are based on official data from the Social Security Administration (SSA), which tracks baby name applications in the United States.

Last updated: 2024 • Data source updated annually

Rex Nicknames

Familiar short forms, playful variations, and easy everyday options for Rex.

9 ideas
Rexy
Nickname
rie
Nickname
ry
Nickname
ro
Nickname
re
Nickname
RE
Nickname
rexie
Nickname
rexy
Nickname
rexo
Nickname

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Baby Name Lists That Include Rex

Browse every Namylab list page that currently includes Rex, from meaning and origin collections to letter, syllable, and themed baby name lists.

14 linked lists

❓ Frequently Asked Questions

What does the name Rex mean?
Rex means "King". Directly from Latin for king, used as a concise given name with a clear titular semantic value.
What is the origin of Rex?
Rex is of Latin origin. The name has been used historically across cultures and carries significant cultural meaning within its origin tradition.
How popular is the name Rex?
According to the latest SSA data, Rex is currently ranked #794 in the United States. The name has shown interesting trends over the past century, with popularity varying based on cultural preferences and naming trends.
Is Rex a boy name?
Rex is traditionally a boy name. However, modern naming practices are increasingly flexible, and names can be used across genders based on personal preference.
What are good nicknames for Rex?
Popular nicknames for Rex include Rexy, rie, ry, ro, and more. These offer shorter, more casual alternatives for everyday use.
What names are similar to Rex?
There are many names similar to Rex in meaning, origin, or sound. Explore the Similar Names section to discover alternatives that may resonate with you.

Quick Facts

OriginLatin
Syllables1
Length3 letters
US Rank#794
Trend↓ Falling
Starts withR

Sibling Ideas

Explore More Boy Names Like Rex

Rex has Latin roots, making it a wonderful choice if you love names from this heritage. Discover more options in our Latin baby names collection, where you'll find hundreds of names with similar cultural depth.

Rex appears in several of our curated collections. Check out Latin Baby Names and Royal Baby Names for more names with a similar feel. You might also enjoy browsing Popular Boy Names in CANADA and Popular Boy Names in UK.

Before you decide, try our Full Name Preview to see how Rex pairs with your surname. The Sibling Name Matcher can help find names that complement Rex beautifully, and the Nickname Predictor reveals the most common short forms.

Explore our full baby name lists for origin-based, meaning-based, and themed collections, or head back to the baby name generator to continue your search.