The Most Common Last Names in North America

To determine the most common last name in every country, NetCredit analyzed surname data from genealogy portal, various country censuses and other sources. Etymological information came from the Oxford Dictionary of American Family Names, the Oxford Dictionary of Family Names in Britain and Ireland, and a number of other sources.

The United States is representative of the mix of surnames found throughout the North American continent. Brown, the most common surname in Jamaica, is the fourth most popular U.S. surname. Rodriguez, the most common surname in Cuba, the Dominican Republic, Panama and the Bahamas, is also very common in the U.S. The list of the top 25 surnames in the United States includes the most common surname in two-thirds of North American countries.