Mary Weiss is an American singer best known as the lead vocalist of the girl group The Shangri-Las. The group gained fame in the 1960s with hits like "Leader of the Pack" and "Remember (Walking in the Sand)." Weiss's powerful voice and emotive delivery helped define the sound of the era. After the group disbanded, Mary Weiss pursued a solo career and continued to perform. She has been recognized for her contributions to music and has influenced many artists in the rock and pop genres. Her work remains celebrated by fans of classic 1960s music.