Mary Rose McMaster was born on 10 November 1926 in Dublin, Ireland. She was an actress. She was married to Jack Aranson. She died on 10 November 2018 in Mill Valley, California, USA.
She was born into a prominent Irish theater family. She was the daughter of the renowned Shakespearian actor-manager Anew McMaster and his wife Marjorie, and niece of actor Michael MacLiammoir.