The surname Crocker is a traditional English occupational family name derived historically from the medieval trade of a crockere, which referred to a maker of earthenware pots, crocks, and ceramic vessels. Individuals and ancestral lineages bearing the Crocker surname are traditionally of British or English nationality. Over centuries of historical migration and global diaspora, families carrying this heritage have also established prominent roots across various Western nations, particularly in the United States, Canada, and Australia.