Murphy is a common Irish surname, and the three crossword solutions all relate to potatoes. The first solution, 'SPUD', is a slang term for a potato, usually referring to one that has been cooked and served as a side dish. The second solution, 'BED', could refer to a BED of potatoes, which is a method of planting potatoes in a shallow trench or furrow. The third solution, 'TATER', is another slang term for a potato, often used in the Southern United States.