Sister of Frank Buck. She helped care for Frank in 1950 when he was very ill.
She lived in San Angelo,TX on South Bishop Street in 1950.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K43R-4L5 : accessed 2 October 2017), Myrtle Logan in household of Howard D Buck, San Angelo, Justice Precinct 1, Tom Green, Texas, United States; citing enumeration district (ED) 226-12, sheet 28A, line 31, family 665, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 4147.