Erwin, Mary Longmaid ("Sunny"), age 80, of Novi, Michigan, formerly of Bloomfield Hills, passed away peacefully at home on May 26, 2013, after a long battle with emphysema. She was preceded in death by her loving husband of 40 years, E. James ("Jim") Erwin. Sunny is survived by her children, Katherine Anne (Dirk VanKoughnett) of Chicago, IL, E. James ("Chip") III (Betsy) of Bloomfield Village, MI, and Richard Esterbrook (Dixie) of Hinsdale, IL. Loving grandmother to Laura VanKoughnett, Jed, Will and Claire Erwin, and Katie, James, Grace and Kinsey Erwin. Also survived by her dear sister Elizabeth L. Barnard (Harold Willey), and many nieces and nephews. Born February 8, 1933, in Philadelphia, PA to the late Mary Stokes and Sydney E. Longmaid. Sunny attended the Baldwin School in Bryn Mawr, PA and received her B.A. in English from the University of Michigan, where she met Jim. A busy homemaker for most of her life, she was an active member of the Birmingham-Bloomfield Alumni Club of the University of Michigan and the Rudgate Neighborhood Association, and a prolific crafter. With her husband Jim, Sunny traveled the world and co-authored a book on the art of lost-wax jewelry casting. She loved the fields and streams of Northern Michigan, the open water of the Florida Keys and the rocky coastline of Southwest Harbor, Maine. A celebration of Sunny's life will be held on Thursday, May 30, 2013, at 11:00 a.m. at Fox Run Senior Living Community, 41000 13 Mile Road, Novi, MI, with a reception to follow. Private interment at Walled Lake Cemetery, Walled Lake, MI. In lieu of flowers, tributes to her most beloved cause and the fund she founded, the Duchenne Clinic Support Fund, Department of Neurology--Developement, the University of Michigan Medical Center, 1000 Oakbrook, Suite 100, Ann Arbor, MI 48104