Here's a cleaner copy of William's death certificate provided by Ann. I converted to pdf format attached for better printing.

death certificate obtained from Meigs County Health Dept., Pomeroy, Oho 45769

husband of Maggie Ervin
DOB-18 August 1832
age-89y 7d
birthplace-Chillicothe, O
father-Daniel ERVIN; birthplace of father-Waverly, O
mother Mary?; birthplace of mother-Waverly, O
date of death-25 Aug 1921