The McGuire Sisters were a singing trio in American popular music. The group was composed of three sisters: Christine McGuire (born July 30, 1926); Dorothy McGuire (February 13, 1928 – September 7, 2012); and Phyllis McGuire (born February 14, 1931). Among their most popular songs are "Sincerely" and "Sugartime", both number one hits. The McGuire Sisters were a singing trio in American popular music. The group was composed of three sisters: Christine McGuire (born July 30, 1926); Dorothy McGuire (February 13, 1928 – September 7, 2012); and Phyllis McGuire (born February 14, 1931). Among their most popular songs are "Sincerely" and "Sugartime", both number one hits. false 2025-11-08 06:32:59 16 Doo-Wop Easy Listening Pop R&B 145797 6f92a2eb-6d48-4187-849a-e8998f5708ff /media/data/media4/Music/The McGuire Sisters/folder.jpg /media/data/media4/Music/The McGuire Sisters/backdrop.jpg The McGuire Sisters