What about the information for Manchester?
Annette7 found him in 1860 as Henry - do you think it is the correct family?
Henry Grice
Home in 1860: Elizabeth, Allegheny, Pennsylvania
Henry Grice 33 (1827) England BLIND
Mary Grice 29 Pennnsylvania
Alice Grice 4 Pennsylvania
John Grice 2
Hannah M Grice 2/12
If so, his birth year returns to the 1820's.
His age in the obituary is what that person writing the obituary believed to be his age, as told to them by Richard?
His age on the censuses are what he claimed, so he might have been trying to appear younger, or it could be more accurate.