San Jose Public Library may have his obit.Keep in mind, not everyone had an obituary.Sometimes the hometown newspaper will carry an obit.
Donald was div 10-1976 from Geraldine M LEWIS, Santa Clara Co CA
As of 1993 he and Alice were in the same house.Alice was b 11-1-1934.I'm assuming no ch. by Don
1954 Don and Blanche, Stirling Cleaners, San Mateo CA.I did not find Pius on this directory, but yet he and Blanche are together on a later Lewiston Directory. His parents' obits might tell you if Don had any children. He had sis, Janine? b c 1934.