Fun Facts and Stats About Names Dog names, cat names, and humans too: Facts and Stats about the Dog name Millie from 19K+ adoptable Dogs across the U.S. that need homes Now! data last updated: 11/11/25 - Dig In Most adoptable Dogs with the the name millie live in the state of California. 17.6% live in California, 11.8% live in Florida, Mississippi, Texas and Arizona If you want to stand out take your Dog to New Hampshire (None live there). The majority of Dogs with the name Millie are in the Sporting group Is Millie generally a male or female name? ♀♀♀♀♀ ♂ Millie is clearly a female Dog name. 99.99% of all Millie in the USA are female whereas only 0.01% are male. FEMALEMALE If you're a Dog and your name is Millie you are most likelyA Pit Bull Terrier 20.0% of all Dogs named Millie are Pit Bull Terrier 20.0% are Labrador Retriever 13.33% are Boxer 6.67% are Bullmastiff 6.67% are Cane Corso Mastiff Millie is a very popular Dog name. Millie is currently the 30th most popular Dog name in the United States. it reached its peak popularity as the 14th most common Dog name in Oct. In recent months, the name has become more trendy again. Interesting fact: Delaware is the state with the highest per capita adoptable Dogs named millie Check out the per capita popularity of Dogs named millie for each state in the map below. Is the Dog name millie only for Dogs? Nope The first name millie is a human name & There is also a Cat named millie Did you enjoy this page? Share it! Facebook Twitter Tumblr Reddit And check out more names: Joan Bandit Clover Chili