The surname of Lamb is English, Scottish and Irish. The name originally refers to a gentle-hearted person, someone meek. It can also refer to a person who cares for lambs and sheep. The various spellings for Lamb include Lam, Lambert, and Lambe. In Northumberland county in England is where the Lamb families originated. They spread into Yorkshire, Lancashire and Durham. In Scotland the Lamb surname is in Aberdeenshire and Angus. Lamb families in the United States are mostly in the northeast and along the Great Lakes including New York, Ohio, Michigan, Indiana and Illinois. Famous: Christina Lamb (English journalist and author), Jerry Lamb (actor from Hong Kong), Harold Lamb (historical writer), Bobby Lamb (Irish musician), Willie E. Lamb Jr. (Nobel Prize winner in physics in 1955), Joseph Lamb (ragtime composer), Mike Lamb (professional baseball player) and Terry Lamb (rugby player from Australia).