MyNameRoots
Baby name
Rex
Boy
Origin of the name
Rex comes from the Latin rex, “king.”
Classic name
60,449births since 1880
1950sgeneration
No. 170rank at its peak, in 1951
Where babies named Rex are born
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The darker the blue, the more common Rex is in the state, compared with its births. White: no births published that year.
Where it is most popular
Compared with the national average, Rex is most common in Utah (3.7 times), Idaho (3.5) and Kansas (3.4), taking into account all births in each state since 1910.
One letter apart
Names from the same era
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