Quick: What last names are the most common in Idaho? Think you have an idea? Ok! Don't forget it!

See, Ancestory.com combed through all white page listings to see what last names were the most popular in every state and region. While Smith is still the most common last name in every region of the U.S. including the Pacific Northwest and Idaho, that's not the only surname that's pretty popular in the Gem State. Johnson and Anderson were the other two. Montana and Utah had the same results, with Oregon and Wyoming sharing two of the same (Smith, Johnson) but include Miller instead.

So are you starting to realize how many friends you have with those last names? Makes sense now, right? Check out the full list here.