The IRS has released a list of people they're looking for to send unclaimed refund checks to, and the Triad Business Journal has a handy-dandy database you can use to search to if you're one of them.  In Lewisville, NC the people the IRS is looking for are:

R. Fulton
Z. Hartman
D. Kipp
B. Lindsay
B. Ward
D. & P. Weatherman