You probably won't be surprised when I tell you that dogs are very popular in the United States, and dog ownership in the country is quite common. A lot of dog owners, however, tend to land on the same handful of names, which is exactly what a new study set out to measure — ranking the most popular dog names in every state and across the country. Most Popular Dog Names In MinnesotaIn the Land of 10,000 Lakes, the three most popular dog names are:LunaBellaLucy and Max (tie)So while Bella runs the table nationally, Minnesota owners handed the crown to Luna, a name that means "moon" in both Italian and Spanish. The Most Popular Dog Names In AmericaZoom out to the full map and Bella dominates, but she doesn't win everywhere. A handful of states go their own way, and a few pick names you won't find anywhere near the national top 100.