Leo Walfred Koivisto, age 95, of Rudyard, Michigan, died on April 15, 2015 in Sault Ste. Marie, Michigan. He was born on March 4, 1920 in Rudyard to Leander and Lempi (Torma) Koivisto. Leo was born and raised in Rudyard. He married Helmi Perttunen... View Obituary & Service Information