Margaret Peterson Obituary Peterson, Margaret "Jo" Age 76 of Minnetonka, passed away peacefully on December 26th at sunset, surrounded by her family. Jo was a one-of-a kind mother, grandmother, sister, aunt and friend, who shared her quick wit and humor with all who knew her. Preceded in death by husband, William and sister, Mary Jane Zimmerman. Survived by children, Tracy (Mary) Peterson and Wendy (Gary) Tully; grandchildren, Quin Peterson, Jack and Erin Tully; sister, Juanita Thiel as well as many nieces, nephews and friends. Memorial service 11 AM Monday, January 3, 2011 at Wayzata Community Church, 125 E. Wayzata Blvd., Wayzata with visitation one hour prior to the service at church. Memorials may be directed to the donors favorite charity.