Muriel Day is an Irish singer. She was the first singer from Northern Ireland to represent the Republic of Ireland in the Eurovision Song Contest. She was also the first woman to perform for Ireland, which had been competing since 1965. After making her name in the Irish showband circuit, and appearing in the British film Billy Liar in 1963, Day was chosen as Ireland’s Eurovision contestant. As a result of her performance, she was offered the chance to record with Peter Warne, producing the enduring hit “Nine Times out of Ten”, which became a Northern Soul classic. She moved to Canada in 1971, where she continued her career. Day also studied medicine and became a laser therapist. She returned to Belfast in the 1990s, where she has been performing regularly.