Alvin Cash was born Alvin Welch, February 15, 1939, in St. Louis, MO, to a large family. One of eight children, Alvin formed a song and dance group with three of his brothers, doing tap and soft shoe. He attended Summers High in St. Louis with future R&B luminaries Luther Ingram, Billy Davis (Fifth Dimension), and Anna Mae Bullock (Tina Turner).
In 1961, Alvin and three of his brothers moved to Chicago, IL, seeking a record deal, but had to dance for tips their first few years in the Windy City.