According to the IL Archives Myrtle Susan Marshall age 63 died 5-24-1949 in McLean Co. The online records only go through 1950 so Thomas isn't there. You can get a copy of the death certificate from the McLean County Courthouse. The IL Archives website is: http://www.sos.state.il.us/departments/archives/genealogy/forms/idphdeathsrch.html Carlene