Completed — Bob Weir, the American guitarist, singer and founding member of the rock band the Grateful Dead, died at the age of 78, his family confirmed on January 10, 2026 in a statement shared on social media. The announcement stated that Weir passed away peacefully surrounded by loved ones following health complications.

Weir first joined the group that would become the Grateful Dead in 1965 as a teenager, helping to shape the band’s signature blend of rock, blues, folk and psychedelic music. Over more than six decades, he performed, wrote and recorded songs with the band and later with related projects.

According to family and official statements, Weir had been diagnosed with cancer in July 2025 and initially overcame the disease, but later succumbed to underlying lung issues. The death notice did not specify the precise location of his passing.

League, music industry and cultural officials confirmed that Weir’s final public performances occurred in 2025, including anniversary shows celebrating 60 years of the Grateful Dead’s music. His contributions earned recognition and awards over the years, reflecting his long influence on American music and performance culture.

With Weir’s death, Bill Kreutzmann remains the only surviving founding member of the Grateful Dead’s original lineup; other early members have predeceased him. The family has requested privacy while fans and musicians worldwide continue to pay tribute to his legacy.

Weir is survived by his wife and children. Funeral arrangements and memorial details have not yet been publicly released by his family.

Sources
Reuters: Bob Weir, Grateful Dead co-founder, dies at age 78
AP News: Grateful Dead founding member Bob Weir dies at 78
People: Bob Weir, Grateful Dead Founding Member, Dies at 78