Head of Household: Wm ALLEN, Residence: Montoursville Borough, Lycoming Co., PA, NARA Microfilm Series M653 Roll: 1137 Page: 505 (HeritageQuest numbering) (original p.70), Dwelling No.472, Family No.489, lines 15-17.
The 1860 census shows that William's wife, Margaret, is no longer a member of the household, which supports the death date provided by the DAR source (S1).