Peter, Paul and Mary singer Peter Yarrow is lifeless after an extended battle with most cancers … TMZ has confirmed.

Peter died Tuesday at his house on Manhattan’s Higher West Aspect … based on his publicist, Ken Sunshine, who tells us Peter’s reason behind dying was bladder most cancers.

We’re instructed Peter was identified with most cancers 4 years in the past, and battled the illness till his dying.

Peter largely offered tenor vocals for the well-known Nineteen Sixties people trio, however he additionally sang lead vocals for a few of Peter, Paul and Mary’s greatest hits … most notably, “Puff The Magic Dragon.”

He co-wrote ‘Puff’ in 1959 when he was learning at Cornell College … and he additionally offered lead vocals on “The Nice Mandala” and “Day Is Performed,” which cracked the High 20 on the Billboard charts.

Peter even turned the timeless youngsters’s track into an image guide for teenagers.

The final time we noticed Peter, he instructed our photog why ‘Puff’ was by no means a track about drug use and defined how the dragon bought its well-known identify.

Peter’s the second member of Peter, Paul and Mary to die … Mary Travers died manner again in September 2009, and now Paul Stookey is the final surviving member.

Peter was 86.