John Leadley died 1759 (estate admin.), Adam Leadley died 1766 (estate admin. by widow Mary), and Moses Leadley died 1773 (will left property to widow Mary, then to son Isaac, then to Mary James, youngest daughter of Thomas James, deceased, of Pencader). Moses lived on a lot in the town of New Castle, Delaware. Both Adam and Moses participated in John's 1759 estate administration which does not specify how these men were related.