There is a burial at Ashby for a Francis in 1864 aged 71, but he is the one that married Ruth.
Burial at St Helens, Ashby De la Zouch
Hannah NEWBERRY - 18th March 1851 - aged 75
It is a shame that Hannah didn't quite make the 1851 census on the 30th March.
No burial for a Francis Newbery, but there is this one, which is likely to be him ....
Burial at St Helens, Ashby De La Zouch
Francis NEWBURY - 6th Dec 1836 -aged 68
Hannah is here in 1841 - HO107/ Piece594/ Book2 - Orgill's Yard, Kilwardly Street, Ashby de la Zouch.