Name meaning & stats
Rex
Rex means “king” (Latin origin). 44,731 US babies since 1940, peak 1952.
What it means
“king”
LatinWell documented
In US birth records
Peak year: 1952
44,731 US babies were named Rex between 1940 and 2025.
Careers
Not enough notable people named Rex (or its spelling family) to say anything reliable yet. That's a gap in the data, not the name.
Name twins (peaked around 1952)