Jo Ann Koch Zinsmeyer, of Castroville, passed away on May 4, 2022 at the age of 86. She was born October 16, 1935 in Hondo, Texas to George Anthony Koch and Alice Sophie Leinweber Koch.

In 1954, Jo Ann graduated from Hondo High School and continued her education at Draughon's Business College in San Antonio. On June 25, 1955, she married Melvin William Zinsmeyer at St. John the Evangelist Catholic Church in Hondo, Texas. They were blessed with sixty-six years of marriage and five sons.

Jo Ann and Melvin founded the family business, Zinsmeyer Refrigeration, in 1960. She took care of all of the bookkeeping for the business. They operated the business for thirty-eight years, turning it over to their sons when they retired in 1998.

She was an excellent baker and was famous for her oatmeal cookies and ice cream cake. When given the chance, Jo Ann and Melvin would travel throughout the United States and all over the world. She belonged to a Bunco group and looked forward to gathering with her friends to visit and play games.

Survivors include her husband, Melvin Zinsmeyer of Castroville; sons and daughters-in-law, Gregory and Carol Zinsmeyer of Castroville, Jeffrey and Lorrie Zinsmeyer of San Antonio, Leroy and Marsalie Zinsmeyer of Castroville, Troy and Melissa Zinsmeyer of Castroville, and Kevin and Colleen Zinsmeyer of Castroville; eleven grandchildren and ten great-grandchildren; brother and sister-in-law, George and Karen Koch of Hondo; in-laws, Marvin Zinsmeyer (Margarita) of Natalia, Mervin Zinsmeyer (Deborah) of Georgia, and Margarita 'Margie' Zinsmeyer of Castroville.

Jo Ann was preceded in death by her parents; grandsons, Kolby Zinsmeyer, and Andrew 'Andy' Zinsmeyer; sisters-in-law, Marilyn "Grace" Zinsmeyer, and Carolyn Kowalik Dillon (Herman Kowalik); and brother-in-law, Emil Zinsmeyer.

Visitation will be Monday, May 9, 2022 from 4:00 p.m. to 7:00 p.m. at Tondre-Guinn Funeral Home. The Holy Rosary will be recited at 9:30 a.m. on Tuesday, May 10, 2022, followed by the Mass of Christian Burial at 10:00 a.m. at St. Louis Catholic Church. Entombment will follow at St. Louis Catholic Cemetery Garden Mausoleum in Castroville. A Bereavement Meal at the Braden Keller Community Center will follow the cemetery services.

Memorials may be made in Jo Ann's memory to St. Louis Catholic School, St. Louis Catholic Cemetery, or the charity of your choice.

Arrangements by Tondre-Guinn Funeral Home. Visit www.tondre-guinn.com