DuBois, Thomas F., of St. Charles, Missouri, died on Friday, March 23, 2012 at the age of 74. Loving husband of Shelby DuBois; beloved son of the late Frederick DuBois and Virginia Bell; devoted father of Deanne Barnes and Thomas DuBois; cherished grandfather of Stephanie & Melinda Barnes; treasured great-grandfather of Christopher & Sofia Rose Barnes; dear brother of Jim (Brenda) DuBois, Don (Lorraine) DuBois, Joan DuBois and MaryAnn Wisdom.