Theresa Marie Nixon of Bowie, Maryland died on Tuesday, April 26, 2011. Theresa is the wife of Charles H. Nixon; mother of Jude Ann Snyder and her husband Jeff, Richard C. Nixon and his wife Agnes, Jennifer N. Holson, Lisa M. Charlson and Angela N. Pycha and her husband Mike; sister of Dolores Dykema, Paul and Jim Walters and the late twin-sister Betty Jane Connolly; grandmother of Nicholas, Joseph, Lauren and Eric Holson, Jason and Julie Snyder, Owen and Olivia Pycha, Dean Charlson, Justin and Jay Nixon. Mass of Christian Burial will be celebrated 11 a.m., Monday, May 2, 2011 at St. Pius X Catholic Church, Bowie, Maryland. In lieu of flowers, Memorial Contributions may be made to the Little Sisters of the Poor, 4200 Harewood Road, NE, Washington, D. C. 20017.