Lewis, Matthew Gregory, romancer, familiarly known as Monk Lewis from the name of his principal novel, the “Monk,” which was written, along with others, in Mrs. Radcliffe's vein and immensely popular, and literally swarmed with ghosts and demons (1773‒1818).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Lewis, Sir George Cornwall * Leyden