The crossword solution for the term TITLE FOR PAUL MCCARTNEY is SIR, which is a three letter word. Paul McCartney is a British singer-songwriter, multi-instrumentalist, and composer who gained worldwide fame as a member of the Beatles. In 1997, he was knighted by Queen Elizabeth II for his services to music. Therefore, the title for Paul McCartney is SIR, which is an honorific title given to a man who has been knighted by the monarch.