John William Leitz, III passed away in Mandeville, LA peacefully and went to be with his Lord on August 29, 2019 at the age of 67 years. He was born on June 17, 1952. He is predeceased by his father John W. Leitz, Jr. and his mother Rose Marie Carite Leitz. He is survived by his loving wife of 35 years, Anita Burke Leitz. Lovingly remembered by his first wife and mother of John W. Leitz, IV, Lynda Schroeder Leitz; children: step son Donald J. Schwander, Jr. (Emilia), John W. Leitz IV (Christina), Valerie Leitz St. Germain (Ryan); grandchildren, Maja Schwander, Andrei Leitz, Claudia Leitz, Colton St. Germain, Cara St. Germain, Cooper St. Germain; god father to Djuana Carite Sirker and Daniel Burke. Loving nephew to Althea Carite; and numerous cousins and extended family. John was born in New Orleans and raised in Gentilly. For the last 30 years resided in Mandeville, LA with his wife, Anita of 35 years. He was in the 1st graduating class of Brother Martin High School, class of 1970. He went on to earn his BS at UNO, graduating class of 1974. John served as president of his fraternity, Phi Kappa Sigma and social director. John worked for UPS as a Center Manager for 28 years. He was a member of the "FMA" Club. John was a devoted family man and his greatest joy in life was being Papa John to his grandchildren. John enjoyed live music, traveling, Mardi Gras, the Saints and LSU football. Special thanks to the nurses and nursing assistants of 2 South at St. Tammany Hospital. Special thanks to all of his doctors. Special thanks to the nurses and staff of Pontchartrain Health Care Centre. Relatives and friends are invited to attend a Funeral Mass at 12:15 pm on Saturday, September 7, 2019 in the J. Garic Schoen Chapel of JACOB SCHOEN & SON FUNERAL HOME, 3827 Canal Street, New Orleans, LA 70119. Visitation will be from 10:00 am until the time of the Mass. Interment will be in St. Roch #2 Cemetery. In lieu of flowers please consider a donation in John's memory to the American Heart Association.