This reference work investigates the etymological origins, geographical distribution, and historical development of surnames found within the United States. Patrick Hanks and his team of researchers utilize extensive digital archives, historical census data, and linguistic analysis to provide a comprehensive record of American family names. The text serves as a systematic framework for understanding how migration patterns and cultural assimilation have shaped the nomenclature of the American population.

Experts recognize this dictionary as a foundational resource for genealogists and linguistic researchers. Readers frequently note the academic rigor and the vast scale of the data presented in this revised edition.