Shirley L. Petersen passed away in Spokane, WA, Saturday, September 2, 2017. She was born to Edwin and Annis (Elliott) Gerow in Tacoma, WA in 1929. Shirley is survived by her son, Samuel (Karen) Petersen and granddaughter, Jenelle Petersen all of Philipsburg, Montana. A memorial service celebrating Shirley’s life will be held at the Lilac Plaza Chapel, 7007 N Wiscomb St, Spokane, WA 99208, Friday September 8, 2017, at 10:30am.