Age 85, of DeWitt, MI, passed away May 13, 2015. She was born August 27, 1929, in Orlando, FL, to Leonard and Elsie Stover. After graduating from college in 1951 and marrying Floyd, she worked four years as a secretary for Saranac Machine Co. in Benton Harbor, MI. In 1955 they began their family and she settled into the full-time job of wife, mother and church/community volunteer. Bonnie was a longtime member of the Lansing Seventh-day Adventist Church and served there in many positions such as secretary, teacher and pianist. She was passionate about being there for her children, her volunteer work, reading and sharing her love of Christ.
Bonnie was preceded in death by her husband, Floyd Costerisan; sons, Philip and Jeffrey; and grandson, Josiah. Surviving are: daughter, Marcia (Robert) Mohr of Cadillac; son, Timothy Costerisan of Lansing; and grandchildren, Caleb and Elijah Costerisan and Jessica Clare.
A memorial service will be held at 11:30 a.m. Thursday, June 4, 2015, at the Lansing Seventh-day Adventist Church, 5400 W. St. Joseph Hwy., Lansing. Her family will receive friends at the church one hour prior to the service, as well as following. In lieu of flowers, memorial contributions may be made to Greater Lansing Adventist School in memory of Bonnie Costerisan. Arrangements are by the Estes-Leadley Greater Lansing Chapel. Online condolences may be left for her family at www.EstesLeadley.com