I need some one to help me find the death date of my great grandfather's daughter....namely MARTHA MAE MOORE. She was born May 5, 1878 in Oaktown, Indiana. She married Alfred T. Dickerson June 26,1899 in Lawrenceville Il.She was in the 1910 census in Bond,Lawrence Co. Il., but was not listed in 1920, and Alfred was listed as WIDOW. I have even checked back in Indiana. any and all help appreciated.