Exclusive Details Getty 10:24 AM PT -- Mary's cause of death is hypertensive atherosclerotic cardiovascular disease, according to the Clark County Coroner. In other words, she died from high blood pressure brought on by artery blockages. Mary Wilson , a founding member of The Supremes, the group that not only racked up one of the most impressive string of hits in music history but also helped break the color barrier, has died. Mary's longtime publicist, Jay Schwartz , said she passed suddenly at her home in Henderson, Nevada. We're told she was fine just days ago. The cause of death is unknown. It's impossible to overstate the impact and popularity of The Supremes. They hit like a nuclear bomb in the '60s with a string of chart-topping songs, beginning with "Where Did Our Love Go," and then "Baby Love," "Stop! In the Name of Love," "You Can't Hurry Love," "Reflections," "I Hear a Symphony," "Love Child," "Someday We'll Be Together" and on and on and on. … [Read more...] about Supremes Co-Founder Mary Wilson Dead at 76