When you ask that someone look up an obituary, please be sure to give the date of death. I found Elinor Bessey's date of death on both the Social Security Death Index and the Montana Death Index:
BESSEY, Elinor B.
Born: 08 Aug 1912
Died: 07 Jan 1977 in Ronan, Lake County, MT 59864
SS#: 519-28-9196 (Issued in Idaho before 1951)