Go to the LDS web site at http://www.familysearch.org
and put in Enouen for the last name. Perform the search and you will get 15 persons.
They are about evenly divided between 18th century Germans from the Rineland provence of Prussia and 20th century Americans. Of the Americans, about half appear (unremarkably) to be from Pennsylvania.
I hope this gives you some leads.
V/R Jay Rarick