[2] His siblings David II, Carvin (Marvin's fraternal twin), Benjamin (BeBe), Daniel, Michael, Ronald, Priscilla (CeCe), Deborah (Debbie), and Angelique (Angie) also have careers in the music industry as singers, writers and producers.
An organist and pianist, Marvin also wrote songs, and produced for The Winans records, for solo projects from family members, and on other gospel releases.
For his vocals on the 1985 song "Bring Back the Days of Yea and Nay", Winans was awarded a Grammy for Best Male Soul Gospel Performance.
His fourth album entitled Marvin L. Winans presents The Praise + Worship Experience was released on June 26, 2012, recorded at his church through MLW Productions.
On Saturday, February 18, 2012, Winans preached the eulogy at Whitney Houston's funeral, at New Hope Baptist Church in Newark, New Jersey.