Mary Diane Coleman of Festus, Missouri formerly of Old Mines, was born May 10, 1946 in Bonne Terre, Missouri. A daughter of the late Theresa (Coleman) Boyer and Ralph Coleman. Diane departed this life at her home surrounded by her dear and loving family on October 15, 2017 having reached the age of 71 years, 5 months, and 5 days. Diane is survived by her loving family, two daughters, Shelly Sansoucie and husband Lynn of High Ridge, Missouri and Patricia Beasley and husband Larry Dean of Rocheport, Missouri; two sons, Bryan Portell of Festus, Missouri and D.J. Portell of Festus, Missouri; brothers, Roger Coleman and wife Verna of Cadet, Missouri, Ronnie Coleman and wife Nancy of Hale, Michigan, Wayne Coleman and wife Mary of Jefferson City, Missouri, Gene Coleman and wife Susan of Mineral Point, Missouri, Kevin (Pete) Coleman and wife Jeri of Boonville, Missouri; thirteen grandchildren, Christopher (Dr. Irene Sansoucie), Dylan, Garrett, Wyatt (Brittany), Danielle (Kyle) Zachary, Marissa, Heather, Katlyn, Haley, Madison, Hannah, and Daniel; one great-grandchild, Michael; dearest friend and sister-in-law Micky Coleman. Also surviving are many nieces, nephews, relatives and friends. In addition to her parents, Diane was preceded in death by one brother, Dennis Coleman and wife Beverly, two nieces, Denise Coleman and Paula Coleman, and one nephew Ronald Coleman. Diane always looked forward to the church picnics and her family get togethers. She enjoyed attending parties and listening to music. She also enjoyed taking trips to the casino for fun. Diane was always ready to take care of someone in need as well as cooking for others. Diane will be deeply missed by all who knew her. Visitation was held Wednesday, October 18, 2017 from 4:00 PM to 9:00 PM and Thursday, October 19, 2017 from 8:30 AM to 9:30 AM at the Moore Funeral Home, Potosi, Missouri. A funeral Mass was held Thursday, October 19, 2017 at 10:00 AM at the St. Joachim Catholic Church, Old Mines, Missouri with Father Tony Dattilo Officiating. Honoring the life of Diane and serving as Pall Bearers were Christopher Sansoucie, Dylan Sansoucie, Garrett Sansoucie, Ryan Coleman, Daniel Portell, Dean Beasley, Mike Keithly and Lynn Sansoucie. Honorary Pall Bearers were Zachary Portell, Michael Thomas and Ronnie Coleman. Memorial Donations may be made to the Family.