He was born April 3, 1933 in Garards Fort, a son of the late Clarence L. and Mabel Molesy Flenniken.
Ab was a 1951 graduate of Jefferson-Morgan High School.
He worked in river construction for Pihl & Miller and later changed to M & O Marine Inc., of Pittsburgh for over 33 years.
Ab spent most of his life in Rices Landing and was a member of the Rices Landing United Methodist Church, where he was also a lay minister and trustee. He was baptized in the John Corbly Baptist Church in Garards Fort.
He was a member of the Rices Landing Fire department for over 50 years; for 13 years was assistant chief. And helped in the Boy Scout program for many years.
On March 19, 1955 he married Audrey Christopher Flenniken, who died July 15, 2003. On April 9, 2005 he married Marjorie Dian Rauch, who survives.
Also surviving are a son, William L. Flenniken and his wife LeAnn of Rices Landing; three grandsons, Kenneth Flenniken, Jonathan Flenniken and Alexander Flenniken.
Deceased in addition to his first wife are a brother, George W. Flenniken and a step-sister, Lillian Miller.
Friends will be received on Thursday, May 12, 2022 from 2 to 4 and 6 to 8 pm in the Behm Funeral Home, 1477 Jefferson Rd., Jefferson, PA 15344, Gregory P. Rohanna, supervisor, where services will be held on Friday, May 13, 2022 at 11:00 am with Pastor Daniel P. Grimes officiating. Interment will follow in Greene County Memorial Park, Waynesburg. In lieu of flowers donations may be sent to the Rices Landing United Methodist Church, 148 Carmichaels St., Rices Landing, PA 15357. Condolences may be expressed online at www.behm-funeralhomes.com.