Catherine A. Mantz, 75, of Seymour, passed away at 11:47 a.m. on Monday, February 12, 2024, at Schneck Medical Center. Catherine was born on February 25, 1948, in Seymour, to the late Joseph (Joe) Eli Shirley & Francis Young Shirley Huls. She was a 1966 graduate of Brownstown High School. She married George Llyod Mantz on August 6, 1966, in Tampico, and he preceded her in death on August 23, 2000. Catherine was a Collector at National City Bank & Home Federal and ran the office at George's of Seymour. She enjoyed singing & playing the piano, camping on the river and traveling with her late husband, working with her flowers & ferns, yearly trips with her sisters, and most of all spending time with her grandchildren. Survivors include 2 children: Kellie Gardener & George W. (Nikki) Mantz both of Seymour; grandchildren: Chris & Courtney Cooper, & Cassidy (Jordan) Mantz Schoenfelder; 8 great grandchildren; sisters: Maribell Hickerson & Janet Lewis both of Crothersville, Jean Stark of Brownstown, & Sherry Shirley of Chicago. Catherine was preceded in death by her parents, husband, 6 brothers: Joe Shirley, Jr, Everett Leon Shirley, Erman Shirley, Richard Shirley, Roy & Ray Shirley; 2 sisters: Ida Marie Morgan & Margarette Boas; & one grandson, George Tyler Mantz. Funeral Services will be conducted at 12:00 p.m. Friday, February 16, 2024, at Johnson Funeral Home, Vallonia. Friends may visit with the family Friday from 10:00 a.m. until service time at the funeral home. Burial will take place at Vallonia Cemetery. Online condolences may be expressed at www.johnsonfh.net.