Mary Wilson (March 6, 1944 – February 8, 2021) was an American singer. She gained worldwide recognition as a founding member of the Supremes, the most successful Motown act of the 1960s and the best-charting female group in U.S. chart history, as well as one of the best-selling girl groups of all-time. The trio reached number one on Billboards Hot 100 with 12 of their singles, ten of which feature Wilson on backing vocals. Wikipedia