Most Common Last Name in Every State

Source: America's Power / Wikimedia Commons

16. Kansas
> Most common: Smith (41,000)
> 2nd most common: Johnson (32,000)
> 3rd most common: Brown (25,000)

Source: Jesse Frost / Wikimedia Commons

17. Kentucky
> Most common: Smith (87,000)
> 2nd most common: Johnson (58,000)
> 3rd most common: Jones (51,000)

Source: Sami99tr / Wikimedia Commons

18. Louisiana
> Most common: Williams (89,000)
> 2nd most common: Smith (83,000)
> 3rd most common: Johnson (82,000)

Source: Public Domain / Wikimedia Commons

19. Maine
> Most common: Smith (20,000)
> 2nd most common: Brown (14,000)
> 3rd most common: Johnson (10,000)

Source: texpan / Getty Images

20. Maryland
> Most common: Smith (95,000)
> 2nd most common: Johnson (85,000)
> 3rd most common: Brown (75,000)