To the other person, Shotgun: The poster is looking for Elsie Stirewalt (Maiden name) The person you found was born Elsie May Kennedy. She was married to Dawson Nedrow (the correct one identified as being married to a Robert). Dawson was a Major in WWII.
The 1920 Census of Port Susan, Snohomish Co, WA
Sherman Stirewalt, 56
Delsie, wife, 41
Elsie, daughter, 1 8/12, born in Oregon. The census was enumerated on 17-19 January, so the correct Elsie born about April/May 1918.
A "probable" Robert I Nedrow, born in Maryland, 7 Aug 1897, died in Mar 1965, buried in the Pine Grove Cemetery, Kooskia, Idaho Co. Living in Lewis County, ID, during the WWI Draft Registration of Aug 1918.
A family tree identifies Elsie. Her mother Delsia Ann was born 6 Jan 1878 in Colorado Springs, El Paso County, CO, died 27 Oct 1969 in Grangeville, ID. Her obituary "might" identify location of Elsie. Siblings obits that might contain information:
Earl W, born 19 March 1901 in Idaho, died April 1971 in Payette, Idaho.
William, born 1908, died 12 Oct 1983 in Payette
Howard, born 1911, died 13 Sept 1984 in Grangeville, ID.