Public records show Mattawan and Lawton as cities Clarence also stayed in. Clarence's possible relatives are Gail Anne Longcore, Gail A Longcore, Clarence J Longcore and one other person. This year Clarence celebrated his 91 birthday. His birth year was listed as 1933. Records link phone number (269) 668-3746 with Clarence’s details. Clarence now resides at 25439 Pershing Dr, Mattawan, Mi 49071.