Peter Yarrow ’s cause of death has been revealed. The Peter, Paul and Mary musician died of bladder cancer, with which he was diagnosed in 2021. Yarrow, 86, died at his home in New York City on Tuesday, Jan. 7.

Peter Yarrow, the singer-songwriter, activist and founding member of the folk trio Peter, Paul and Mary, has died at 86 after battling bladder cancer.

American singer and songwriter Peter Yarrow, who found fame with the 1960s folk music trio Peter, Paul and Mary, died on Tuesday at the age of 86, his publicist said.