Fun Facts and Stats About Names Dog names, cat names, and humans too: Facts and Stats about the Dog name Rex from 22K+ adoptable Dogs across the U.S. that need homes Now! data last updated: 04/05/25 - Dig In Most adoptable Dogs with the the name rex live in the state of California. 28.6% live in California, 7.1% live in Massachusetts, New York, New Jersey, Pennsylvania, Maryland, North Carolina, Florida, Ohio, Texas and New Mexico If you want to stand out take your Dog to New Hampshire (None live there). The majority of Dogs with the name Rex are in the other group Is Rex mostly a male or female name? ♀♀♀♀♀ ♂ Rex is undeniably a male Dog name. 99.99% of all Rex in the United States are male while hardly 0.01% are female. FEMALEMALE If you're a Dog and your name is Rex you are most likelyA Labrador Retriever 14.29% of all Dogs named Rex are Labrador Retriever 7.14% are American Pit Bull Terrier 7.14% are Basset Hound 7.14% are 7.14% are Chihuahua Rex is a quite popular Dog name. Rex is currently the 52nd most popular Dog name in the United States. it reached its peak popularity as the 24th most common Dog name in Jun. In the past few months, the name has lost some of its popularity. Fun fact: New Mexico is the state with the highest per capita adoptable Dogs named rex Check out the per capita popularity of Dogs named rex for each state in the map below. Is the Dog name rex only for Dogs? Nope The first name rex is a human name & There is also a Cat named rex Did you enjoy this page? Share it! Facebook Twitter Tumblr Reddit And check out more names: King Layla Domino Duke