Below you can find the It's the last name of the actress who played the youngest keaton daughter on family ties Jeopardy Words Answer. The answer to It's the last name of the actress who played the youngest keaton daughter on family ties has 7 letters. This clue belongs to the Y me category and is part of Jeopardy Word Level 2545. If you scroll near the bottom you will find other clues and answers part of level 2545