Mary Ann Grennell Obituary

It is always difficult saying goodbye to someone we love and cherish. Family and friends must say goodbye to their beloved Mary Ann Grennell (Saint Johns, Michigan), who passed away at the age of 85, on April 20, 2025. Leave a sympathy message to the family in the guestbook on this memorial page of Mary Ann Grennell to show support.

She was predeceased by: her parents, Herman Mohnke and Rosina Mohnke (Martens); her in-laws, Gordon and Anna Grennell; her brothers, Herman and Ronald Mohnke; and her siblings-in-law, JoAnn Sperry Rubin, Carol Mohnke, Jon Grennell, Robert Sperry and Norm Rubin.

She is survived by: her husband Larry Grennell; her children, Mark Grennell (Chris) of St. Johns, Deb Sutherland (Robert) of St. Johns, Brian Grennell (Jodi) of Lansing and Darcy Pace (Gerry) of Williamston; her grandsons, Nicholas Sutherland (Jesse), Zachary Grennell (Whitney), Heath Sutherland (Ellie), Zane Grennell, Lucas Sutherland (Betsie), Zarren Grennell, Connor Pace, Seth Sutherland (Rena Martin) and Aidan Pace (Sabrina Reibling); her siblings, Sandy Lockwood (Dave) and Rex Mohnke (Tracy); and her in-law Judy Boettger (Barry). She is also survived by cousins, nieces, nephews, and a circle of friends.

Suggested donations in honor of Mary can be made to American Cancer Society via Clinton County Relay for Life or Michael J. Fox Foundation for Parkinson's Research.