St. Cedd was an early Christian missionary and bishop in England during the 7th century. He is best known for his work in spreading Christianity among the Anglo-Saxon tribes, particularly in the region of Essex. Cedd founded several monasteries, including Lastingham, which became important centers of learning and faith. Cedd was a member of the Cedd family, which included other notable figures like his brother St. Chad. He is remembered for his dedication to education and his efforts to unify different Christian practices. St. Cedd was canonized as a saint, and his feast day is celebrated on March 26.