Koistinen, Stephen John Peacefully at William Osler Health Centre in Brampton on July 2nd, 2010. Stephen Koistinen will be deeply missed by wife Bonny.Resting at the Perrin Funeral Chapel. The family will receive friends on July 6th at 7:00pm - 9:00pm. Funeral service will be held in St. Paul's United Church Wellington St. N on July 7th at 11:00am, interment Elk Lake Public Cemetery HWY 560. A reception will follow at St. Paul's United Church Wellington St. N.Friends desiring may contribute in Stephen's memory to Charity of Your Choice.For online condolences and Tributes please visit www.perrinfuneralchapel.com.