Ethel L. Starr can be found on the first class passenger list of the American steamship "Ancon" that arrived in the port of New York, New York USA on July 2, 1957. She is listed as a "round trip passenger" to and from New York.
Ethel L. Starr married William D. Millar on August 20, 1970 in Los Angeles, California. Ethel was 52 years old, and William was 46.
Ethel L. Millar died at the age of 81 on December 16, 1997, possibly in Lane, Oregon where she resided. 
An obituary for Donald Gutier, who died at the age of 72 on October 4, 2010 in Oregon, was published on October 19, 2010 in the "Clackamas Review". The obituary gives Donald Gutier's mother's name as Ethel Millar, and his sister as Sally Paul. Donald was born on January 17, 1938 in Fresno, California, indicating that Ethel was still residing there at that time. 
↑ "California Birth Index, 1905-1995," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VGQ6-97V : 27 November 2014), Ethel L Starr, 15 Feb 1916; citing Fresno, California, United States, Department of Health Services, Vital Statistics Department, Sacramento.
↑ "California Marriage Index, 1960-1985," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V6NQ-H1B : 27 November 2014), William D Millar and Ethel L Starr, 20 Aug 1970; from "California, Marriage Index, 1960-1985," database and images, Ancestry (http://www.ancestry.com : 2007); citing Los Angeles City, California, Center of Health Statistics, California Department of Health Services, Sacramento.
↑ "United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V3G7-26L : 20 May 2014), Ethel L Millar, 16 Dec 1997; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
↑ "United States, GenealogyBank Obituaries, 1980-2014," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QKLH-LWZG : accessed 17 October 2018), Ethel Millar in entry for Donald Gutier, Oregon, United States, 19 Oct 2010; from "Recent Newspaper Obituaries (1977 - Today)," database, GenealogyBank.com (http://www.genealogybank.com : 2014); citing Clackamas Review, born-digital text.