They are listed as living at 1547 Yarmouth Ave (renting for $50/mo). Carroll and Ruth are both listed as having lived in Pittsburgh previously.
Ruth's mother, Nellie was listed as living with them.
"United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:KWPV-619 : 9 January 2021), Carroll Clark, Cincinnati, Hamilton, Ohio, United States; citing enumeration district (ED) 91-242, sheet 12B, line 72, family 275, 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 3195.
