Go anywhere in the state of South Dakota and you'll likely hear some interesting and unique last names. But what are some of the most common in the Mount Rushmore state and its neighbors?

Last names (or surnames) are very different depending on where you live in the United States. However, if you look at the research done by Ancestry.com, there are some last names that are pretty common no matter where in the country you reside.

According to Ancestry, here are the three most common surnames in South Dakota:

KXRB logo
Get our free mobile app
South Dakota Welcome sign from Wyoming
Getty Images/iStockphoto

3) Smith: Smith might be third in South Dakota, but overall it takes the top spot as the most popular surname in the U.S. (as well as the United Kingdom).

2) Anderson: This name originally comes from the country of Scotland.

1) Johnson: Surprised? Probably not but more Johnsons live in this part of the Midwest than any other surname. It's another name that originates in Scotland.

Neighboring states have similar results. Smith, Williams, and Johnson are the top three in Iowa. In Minnesota, Johnson again takes the top spot, followed by Anderson and Nelson. The top 3 in North Dakota are Johnson, Anderson, and Olson. In the Cornhusker State, the 3 most common names are Johnson, Smith, and Miller.

For the full list of every state, see the article at Ancestry.com.

10 Small-Town South Dakota Restaurants That Are Worth The Drive

The Sioux Empire is full of restaurants that are long-known to be local favorites.

Sure, they might be a short drive from home, but you won't regret the experience at these hometown mainstays.

Here are 10 of the best small-town restaurants in South Dakota.

Gallery Credit: Andy Gott

More From KXRB