The crossword solution for the term 'Irish Rose's Guy' is ABIE, which is a four-letter word. Abie is a nickname for Abraham, which is a Hebrew name meaning 'father of many'. In the popular play and movie 'Abie's Irish Rose', Abie is the main character and the love interest of the female lead, Rosemary Murphy. Abie is an Irish immigrant who falls in love with Rosemary, a Catholic girl, and the two must overcome their religious differences to be together.