On a remote part of Wheeldale Moor is the following plaque :-
In memory of John Booth who died on this spot September 5th 1853. Aged 84. He was gamekeeper to Richard Hill Esq. of Thornton for 56 years.
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Even with such a precise death date I can find no census records for him.
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Richard Hill of Thornton Hall died himself just 2 years later.
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