Katherine "Kate" Martin was a fictional character on the soap opera All My Children. She was known as Kate Martin. She was played by Kate Harrington briefly in 1970 then by Christine Thomas, 1970; and finally by Kay Campbell, 1970 to 1985.
She was the matriarch of Martin family. Wife of Henry Martin and the mother of Joe Martin and Paul Martin. She was usually found in the kitchen cooking some of her famous recipes or offering sensible advice to Tad.