PA death certificate (Pa. No. 71312) contains errors for William's birth and his mother's name. The informant was Walter Carvell; William was unmarried. The tombstone dates are listed in this record.
Father:George YOST (b. 13 JAN 1813, Lancaster Co., PA - d. 26 JUN 1878, Warwick, Lancaster Co., PA) Mother:Caroline MUMMA (b. 1825, Lancaster Co., PA - d. 22 APR 1887, Lancaster Co., PA)