Frein, Mark Lee., of O'Fallon, Missouri, passed away on Friday, April 5, 2013 at the age of 42. Loving husband of Jill Frein; beloved son of Jerry and Lois Frein; devoted father of Olivia and Jacob Frein; dear brother of Michele Frein and her fiancé Kenny Gordon; cherished uncle of Josh, Amber, Davis, Mason, Morgan Paige, Emma, Vincent and Grace; treasured son-in-law of Mary Roethler and beloved brother in-law of Ann Schmillen, Tim (Lori) Roethler, and Tony (Beth) Roethler. Mark was also a loving cousin and friend to many and will be deeply missed. He is preceded in death by his father-in-law Mark Roethler. Mark was an avid Pittsburgh Steelers fan. He enjoyed fishing, hunting, and being outdoors, but most of all he loved playing soccer, fishing and spending time with his children Memorials may be made to Mark Frein Children's Education Fund.