Mary Ann (nee Houston) Osterkamp, age 76, of Hobart, passed away on Saturday, September 9, 2017. She was born on November 14, 1940 in Kansas City, Missouri. Mary worked as an X-Ray technician for several different doctors over the years. She had a great appreciation for the outdoors. She was formerly a Girl Scout troop leader and enjoyed camping with her family. She also liked to bowl, play cards, cook and bake for her family. Above all, Mary loved her family and cherished the time she spent with them.

Mary is survived by her loving husband of 52 years, Frank Osterkamp, Jr.; children, Kris (Dan) Heffelfinger, Frank (Lisa) Osterkamp III, Lisa (Dave) Sanders; grandchildren, Joleen (Ethan) Hitchcock, Jean "Nikki" Wiatrowski, Kayla Joers-Wiatrowski, Andrew Sanders, Aspen Sanders, Trisha Zane, Jessica Osterkamp, Zachary (Cassie) Heffelfinger, Brittany Heffelfinger; great grandchildren, Andrew, Quinten, Xavier, Zion, Kael, Izzabella, Gemma, Zenon, Nevaeh, Canden, Faith, and Iris; older brother, Joe Houston; sisters-in-law, Joyce Ericksen and Frances "Franny" Barnes; many other loving family members and friends.

She was preceded in death by her grandson, Andrew Wiatrowski; brothers-in-law, Alvin Ericksen and Jay Barnes.

A memorial service for Mary will take place Wednesday, September 13, 2017 at 6:00 pm at Rees Funeral Home, Olson Chapel, 5341 Central Ave., Portage. Memorial visitation will be held from 3:00 pm until the time of service at the funeral home. For more information, please call (219) 762-3013. Online condolences may be shared with the family at www.reesfuneralhomes.com.