Greg Bollock, 74, of Mitchell, SD, passed away Friday, May 19, 2023, in Aberdeen, SD. Funeral Mass will be 10:30 AM Thursday, May 25, at Holy Family Catholic Church in Mitchell. Burial will be at Calvary Cemetery in Mitchell. Visitation will be Wednesday from 5-7:00 PM at Bittner Funeral Chapel with a 6:30 PM prayer service.