Tori-MaeSimpson is a "sister" of Abe-Boy Simpson.
Grampa is recalling one of his boyhood Christmases before TV except he is confusing it with various TV shows and primarily The Waltons Christmas special episode about a large family running a sawmill on the family's namesake mountain during the Great Depression.
Tori-Mae is a reference to actress Tori Spelling who was starring on teen drama Beverly Hills, 90210.