Standard Obituary with US Flag Rapid City Mary Welch, 70, Rapid City died Friday, August 26, 2011 at Rapid City Regional Hospital. Mary served in the United States Air Force for two years and then was a Fraud Investigator for the Air Force for 40 years. Survivors include one son: Mack Welch of Rapid City and one granddaughter: Catrina Welch. There are no services at this time but will have graveside services at a later date at the Mesopotamia Cemetery at Eutaw, Alabama.