Hi Jim, In 1920 Allie and Elizabeth were in Bay, Tillamook Co., OR. Allie C. Durham, b. MN, 26, divorced, dressmaker home shop. Elizabeth P. Covel, b. NY, 76, widow, no occupation. James B. Robertson, boarder.
In 1930 they were living in Grants Pass, Josephine Co., OR. Allie C. Goodwin, b. MN, 39, widow, no occupation. Elizabeth Covel, b. NY, 87, widow.
First I'd get a copy of Elizabeth's obituary (if one was published) and see what surname Allie had in 1941. I'm assuming it's not Goodwin because I didn't find her death info.
You can request a copy from Random Acts Genealogical Kindness. Go raogk.org/, read guidelines, choose Oregon, choose Josephine Co. and choose one volunteer. Successful Searching!