Unless you made a typo Warren passed in 1973: You can order his death record from the state for five dollars. Florida Death Index, 1877-1998 about Warren Adolphus Rosborough Name: Warren Adolphus Rosborough Death Date: 7 Jun 1971 County of Death: Pinellas State of Death: Florida Age at Death: 43 Race: White Birth Date: 21 Jul 1927