Rex as a First Name

How Common is the First Name Rex?

We estimate that there are 36,331 people named Rex who are currently alive and were born in the United States. Rex is the 509th most common for men, and the 1,115th most common overall.

How Old are People Named Rex?

The average person named Rex is 50.25 years old.

Is Rex a Popular Baby Name Right Now?

377 people named Rex were born in the U.S. in 2022. It was the 697th most popular name for boys, and the 1,449th most popular overall.

The popularity of Rex peaked in 1951, when it was the 170th most popular name for baby boys.

Is Rex a Boy's Name or a Girl's Name?

Rex is almost exclusively a male name. 99.8% of people named Rex are male.

Popularity of Rex in England

In 2020, Rex was the 143rd most popular name for boys in England and Wales.