Send a message to the person who requested a photo of the grave monument of Thomas Dack Harvey with the following comment:
Family History, my 2x grandfather was a Thomas Dack Harvey born 1824ish, his father was John Harvey born 1800ish, and as the fist 2 names Thomas Dack have been passed down to the oldest son since I think this Thomas Dack 1780s must by my John Harveys father.