Fun Facts and Stats About Names Dog names, cat names, and humans too: Facts and Stats about the Dog name Rex from 28K+ adoptable Dogs across the U.S. that need homes Now! data last updated: 03/05/25 - Dig In Most adoptable Dogs with the the name rex live in the state of California. 28.6% live in California, 9.5% live in New York, North Carolina, Ohio and Texas 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 unquestionably a male Dog name. 99.99% of all Rex in America are male whereas hardly 0.01% are female. FEMALEMALE If you're a Dog and your name is Rex you are most likelyA Labrador Retriever 18.18% of all Dogs named Rex are Labrador Retriever 9.09% are German Shepherd Dog 4.55% are Australian Cattle Dog/Blue Heeler 4.55% are Shepherd 4.55% are Poodle (Toy) Rex is a very popular Dog name. Rex is currently the 42nd 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 become more trendy again. Interesting fact: Vermont 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: Diamond Aurora Kai Mocha