John J. Shanahan, of St. Charles, died October 22, 2026, at age 64. Funeral arrangements were pending in the notice from Paul Funeral Home.

A singer and guitarist, he helped form Atlantis as a teenager and performed with the band after its 2022 reunion. He also played lead guitar for Steve Davis’s Memories of Elvis tribute. He worked as a union roofer for about four decades and later at Washington University.

Survivors include son John J. Shanahan Jr.; fiancée Lesa Rankin; brothers Patrick, Kevin and Bryan Shanahan; and grandchildren Tristan and Kaitlyn Shanahan. His parents, James and Lorraine Shanahan, brother James J. Shanahan III and sister Karen Willmann preceded him in death. His family’s notice also recognized his organ donation.