you can write for the Social Security application. It costs $27.00 but will give you a lot of information. Robert Allen b. 24 Apr 1910 diedSep 1968 on the Social Security Death Index (rootsweb.com) but no residence was given.
Perhaps you local library can give you the name of the newspaper that printed the obituary and you can find it that way.Also check with the local funeral homes that handled arrangements - they can tell you about the obituary. I did that for a relative and they were most helpful.