List of the most common American last names, surnames, and family names with meanings, featuring unique, cute, old, and cool American last names., Find out what the most common and popular last names in America are, including meanings and the race/ethnicity breakdown of those names, Learn your family history with our last names database from A to Z! Discover surname origins, last name meanings, and surname variations., The U.S. has over 150,000 different last names, reflecting its diverse population. Among specific groups, Smith is the most common surname for white Americans, Williams for African Americans, Nguyen for Asian Americans, and Garcia for Hispanic Americans., Derived from the given name "William," which comes from Germanic roots meaning "resolute protector," Williams is a common last name among Black Americans. It holds the No. 3 spot in the U.S. and reflects the historical pattern of adopting surnames that were easy to spell, pronounce, and remember after the Civil War., Explore each of the 1000 most popular last names in the USA today. An up-to-date resource for the most common American last names, compiled by US People Search..