Send a message to the person who requested a photo of the grave monument of Ann Houghton with the following comment:
I think that John and Ann Houghton may well be one pair of my 3x great grandparents. If this is correct then I am descended from their daughter Ellen rather than their son John listed on this gravestone. Ann's year of birth should be 1785 rather than 1885. I have just made a paypal donation as I greatly appreciate the work you are doing. Thank you.