Jean E. Mattern, 90, of Highland, passed away at 11:55 a.m. Thursday, July 30, 2015, at her home in Highland.
She was born Feb. 12, 1925, in St. Louis, the daughter to the late Loretta (nee Morrison) Florke and Erwin Dieckhaus.
She married Harold Mattern on Dec. 22, 1943.
Jean retired from McDonnell Douglas in St. Louis after working for 23 years as a computer operator.
She is survived by three children, John (Joyce) Mattern of St. Peters, Mo., Nancy (Walter) Sipola of Granite City, and Thomas Mattern of Highland; five grandchildren, Michelle and Gene, Michael and Anne, Tommy and Sarah, Sherri and Josh and Kelly; 11 great-grandchildren, Haley, Emily, Christian, Ashley, Jack, Olivia, Andrew, Brady, Lydia, Mackenzie and Blayne.
She is preceded in death by her husband, Harold Mattern; mother, Loretta (Roy) nee Morrison Florke; and father, Erwin Dieckhaus.
Cremation services entrusted to Wojstrom Funeral Home & Crematory in Granite City. Online guestbook and information may be found at www.wojstrom.com.