US Obit Mary Wilson FILE - In this Oct. 8, 1964 file photo, The Supremes, from left, Florence Ballard, Mary Wilson and Diana Ross, perform during a reception for them in a hotel, in London. Wilson, the longest-reigning original Supreme, has died at 76 years old. Publicist Jay Schwartz says Wilson died Monday, Feb. 8, 2021, at her home in Las Vegas and that the cause was not immediately clear. (AP Photo/Bob Dear, File)Photo by: ASSOCIATED PRESS FILE PHOTOS Kentucky Derby Horse Racing Singer Mary Wilson arrives for the 138th Kentucky Derby horse race at Churchill Downs Saturday, May 5, 2012, in Louisville, Ky. (AP Photo/Darron Cummings) Photo by: ASSOCIATED PRESS FILE PHOTOS MARY WILSON Singer Mary Wilson, former member of The Supremes, poses at the Soul Train Music Awards in Los Angeles, Calif., on Mar. 23, 1987. (AP Photo/Avery)Photo by: ASSOCIATED PRESS FILE PHOTOS WILSON Singer Mary Wilson pretends to be a mannequin, while posing for a portrait with some of the gowns she wore on stage as a member of The Supremes, at the Rock & Roll Hall of Fame and Museum, in Cleveland, Tuesday, April 20, 2004. A new exhibit featuring many of the glamorous gowns worn by The Supremes, "Reflections: The Mary Wilson Supreme Legacy Collection," will be opening at the Rock Hall April 28. (AP Photo/Jamie-Andrea Yanak)Photo by: ASSOCIATED PRESS FILE PHOTOS AP03022005783.jpg Photo by: ASSOCIATED PRESS FILE PHOTOS Judy Pace, Mary Wilson, Florence LaRue, Obba Babatundé Actress Judy Pace R&B legends Mary Wilson, Florence LaRue and actor Obba Babatundé backstage at Mary Wilson Original Supreme Children Uniting Nations Benefit Concert on Sunday, December, 16, 2012, at Saban Theatre in Beverly Hills, California. (Photo by Arnold Turner/Invision/AP) Photo by: ASSOCIATED PRESS FILE PHOTOS Mary Wilson R&B legend Mary Wilson performs at her Original Supreme Children Uniting Nations Benefit Concert on Sunday, December, 16, 2012, at Saban Theatre in Beverly Hills, California. (Photo by Arnold Turner/Invision/AP) Photo by: ASSOCIATED PRESS FILE PHOTOS Mary Wilson, Daphna Ziman, Beverly Todd R&B legend Mary Wilson, CUN founder Daphna Ziman and actress Beverly Todd backstage at Mary Wilson Original Supreme Children Uniting Nations Benefit Concert on Sunday, December, 16, 2012, at Saban Theatre in Beverly Hills, California. (Photo by Arnold Turner/Invision/AP) Photo by: ASSOCIATED PRESS FILE PHOTOS Mary Wilson Singer Mary Wilson poses for photographers upon arrival at the launch of Motown: The Musical, London, Tuesday, March 8, 2016. (Photo by Jonathan Short/Invision/AP)Photo by: ASSOCIATED PRESS FILE PHOTOS Obit Mary Wilson FILE - Mary Wilson, founding member of The Supremes, appears during a portrait session at Capitol Records in Los Angeles on June 12, 2014. Wilson, the longest-reigning original Supreme, has died at 76 years old. Publicist Jay Schwartz says Wilson died Monday night, Feb. 8, 2021, at her home in Las Vegas and that the cause was not immediately clear. Wilson, Diana Ross and Florence Ballard made up the first successful configuration of The Supremes. (Photo by Casey Curry/Invision/AP, File)Photo by: ASSOCIATED PRESS FILE PHOTOS THE SUPREMES FILE- This Aug. 19, 1966 file photo shows The Supremes, with Diana Ross, lead singer on top of the slide, while Mary Wilson climbs the stairs and Florence Ballard stands underneath. Wilson, the longest-reigning original Supreme, has died at 76 years old. Publicist Jay Schwartz says Wilson died Monday, Feb. 8, 2021, at her home in Las Vegas and that the cause was not immediately clear. (AP Photo, file)Photo by: ASSOCIATED PRESS FILE PHOTOS US Obit Mary Wilson FILE - In this March 11, 1994 file photo, Mary Wilson, former member of The Supremes, poses at the dedication of the 2,026th star on the Hollywood Walk of Fame honoring The Supremes in Hollywood, Calif. Wilson, the longest-reigning original Supreme, has died at 76 years old. Publicist Jay Schwartz says Wilson died Monday, Feb. 8, 2021, at her home in Las Vegas and that the cause was not immediately clear. (AP Photo/Brennan Linsley, File)Photo by: ASSOCIATED PRESS FILE PHOTOS Obit Mary Wilson FILE - Mary Wilson, founding member of The Supremes, appears during a portrait session at Capitol Records in Los Angeles on June 12, 2014. Wilson, the longest-reigning original Supreme, has died at 76 years old. Publicist Jay Schwartz says Wilson died Monday night, Feb. 8, 2021, at her home in Las Vegas and that the cause was not immediately clear. Wilson, Diana Ross and Florence Ballard made up the first successful configuration of The Supremes. (Photo by Casey Curry/Invision/AP)Photo by: ASSOCIATED PRESS FILE PHOTOS