We have not yet found an obituary but this is from findagrave.com and other web resources.

Birth:     May 21, 1906
Venango County, Pennsylvania, USA
Death:     Aug. 1, 1968
Cleveland Clinic Hospital
Cleveland, Cuyahoga County, Ohio, USA

 Family links:
 Parents:
  Eli Benjamin Tarr (1875 - 1934)
  Fanny Gertrude Pfouts France (1877 - 1939)
 
 Spouse:
  Doris Lucille Knapp Tarr (1900 - 1985)
 
Burial: Cortland Rural Cemetery
Cortland, Cortland County, New York, USA