Frank Allen died Portsmouth,OH b. 9 Oct 1911 and died Feb 1978
Frank Allen died Portsmouth, OH b. 28 Sep 1924 and died Nov 197? (can't read my writing)
one of these might be your Frank Allen, but you would have to send for the APPLICATION FOR SOCIAL SECURITY to be sure - or check the obituary sections of the papers for those death dates and see if Frank Allen of Portsmouth is your Frank Allen - A library can tell you what papers serveed/serve Portsmouth/wheelersburg for those years.