Ronald H. Osowski, 87 of Mt. Prospect was born July 15, 1933 in Chicago to Harry and Clara (Koprowski) Osowski and passed away December 27, 2020. Ron was the beloved husband of Evelyn E. (Ceragioli) Osowski; loving father of John Osowski, James (Judy) Osowski, Jane (Michael) Cook, Nancy (Daniel) McArdle and Mark (Lisa) Osowski; cherished grandfather of Mark, Matthew, Kate, Caitlin, Marisa, Benjamin, Erin and Jason and dear brother of the late Therese Lauraitis. Visitation will be Saturday, January 2, 2021 from 10:00 AM until the time of the Funeral Mass at 11:00 AM at St. Emily Church, 1400 E. Central Road, Mt. Prospect. Proper social distancing must be practiced and all guests will be required to wear face masks at all times. Interment will be private. In lieu of flowers, contributions to St. Jude Children’s Research Hospital (stjude.org) or Wounded Warrior Project (woundedwarriorproject.org) appreciated.