The surname Grantham is derived from a geographical locality, specifically the town of Grantham in Lincolnshire, England. The name is of Old English origin, with the second element being "ham, " meaning homestead, and the first element potentially being "Granta, " a personal name, or "grand, " meaning gravel. The surname has been recorded since the early 13th century and has evolved over time with various spellings. It is significant because it reflects the historical and cultural ties to the town of Grantham, and its use has remained consistent in England and other parts of the world where English settlers have migrated.
