Mark A. Rosanske, 47 of Poynette, WI passed away following a brief illness on August 19, 2021. Mark was born on August 14,1974 in Wautoma, WI., son of Robert Rosanske and the Late Judy Rosanske. Mark married Amanda McWilliams Rosanske on October 21, 2016, at Pikes Peak State Park, McGregor, IA. Mark enjoyed stock car racing, his favorite track being Dells Raceway Park, gardening, fireworks and spending time with his friends and family. Mark worked at Brakebush Chicken for many years and was currently employed at Scientific Protein Laboratories, Waunakee, WI. for the last 22 years. Survivors include his wife, Amanda; one son Boston (12). Father Robert Rosanske, Portage, WI. Sisters Debbie (Donald) Clapper, Tammy (Kevin) Daye, and Jean Schmidtke all of Westfield, WI. Special Aunt Sue (Jule) Standke, Westfield, WI. Several other aunts, uncles, cousins, nieces, and nephews. Mark was preceded in death by his Mother Judy Rosanske and Brother Bobby Rosanske. A celebration of Life will be held at 5:00 p.m. on Saturday, September 11, 2021, the start of the race at Dells Raceway Park, Lyndon, WI.  Service Details. Service A celebration of Life will be held at 5:00 p.m. on Saturday, September 11, 2021, at the start of the race at Dells Raceway Park, Lyndon, WI.