Records link Willis with Mark P Witter, Gertrude M Witter, Kelli Shawn Witter and 3 other people. The residency of Willis is at 4050 County Road 2, Berthoud, Co 80513. In addition to Berthoud, Willis also lived in Boulder, Longmont, Westminster and one other city. This year Willis celebrated his 90 birthday. Phone number listed for Willis is (720) 244-9867. Willis's birth date was listed as 1934.