Castle

The surname Castle is derived from the Middle English word “castel,” meaning fortress or stronghold. It is a toponymic surname, indicating that the first bearer of the name likely lived near or worked at a castle or fortification. The Castle surname is relatively uncommon, ranking as the 9,278th most common surname in the United States. Notable individuals with the Castle surname include American author and journalist William Castle, British actor Edmund Castle, and American politician William Castleberry.