You can find out where the majority of the Hitchcock families were living before they immigrated to the U.S and learn where to focus your search for foreign records. Immigration records can tell you an ancestor's name, ship name, port of departure, port of arrival, and destination.
an evil spirit; devil or fiend. 2. an evil passion or influence. 3. a person considered extremely wicked, evil, or cruel. 4. a person with great energy, drive, etc.: He's a demon for work.
Essentially, the incubus is a lewd demon which seeks sexual intercourse with women. It is also termed follet (French), alp (German), duende (Spanish) and folletto (Italian). The corresponding demon who appears to men is the succubus.