Mary Marcella Clark, of Fulton, Mo., passed away Thursday, May 16, 2013, at the Rosewood Health Center in Independence, Mo. She is survived by her children, Larna Constance of Independence, Mo.; Neil Clark of Florissant, Mo.; and Roger Clark of Fulton, Mo.; grandchildren: John, Keith, Dan, Adam, Brandy, R.J, Nicklaus, Alex and Megan; great-grandchildren, Raina and Cole; two brothers, Tom Simpson of Cape Girardeau, Mo.; and Jerry Simpson of Spokane, Wash. Memorial services will be at 10 a.m., Monday, May 20, at the Debo Funeral Home, Fulton, Mo., with later burial at the Lakeside Cemetery in Sumner, Mo. debofuneralhome.com.