I found this information about a Richard Abbey in the church of St. Peter and St. Pauls church Watford which I suspect is the same person: Stone memorial on north wall of chancel: Near this place lie the remains of RICHARD ABBEY (of Silsworth Lodge) who departed this life on the 20th of May 1821 in the 72nd year of his age. Also of ELIZABETH (his wife) who departed this life on the 12th of March 1837 in the 72nd year of her age. RICHARD ABBEY was the 2nd generation of Abbeys that were farmers and graziers on the lands of Silsworth,
Height: 7 ⅞”
Condition: Spout break restored