I found an Elaine N. Edwards b. 3 June 1916, Last Residence=Boise, Ada Co., Idaho who died 25 May 1988. Her soc. sec. # was assigned in Idaho in 1955. Source: Social Security Death Index, Ancestry.
You can request a copy of her obituary at Random Acts Genealogical Kindness. Go to raogk.org, read guidelines, choose Idaho, choose Ada Co. and choose one volunteer.
A Norah Sophia Edwards was Registered=1910, April, May or June, District=Portsmouth, County=Hampshire, Volume 2b. Source: England & Wale Free BMD Birth Index 1837-1915, London, England, General Register Office, Ancestry.
Really need more information about their time in the U.S. Successful Searching!