Mary Catherine is the granddaughter of the late William and Mary Omohundro of Nashville, Tennessee, and the late James and Miriam Moon of Lewisburg, Tennessee. She is a graduate of Battle Ground Academy, Franklin, Tennessee, and The University of Tennessee, Knoxville, where she was a member of Alpha Omicron Pi sorority. Mary Catherine currently resides in Alexandria, Virginia, and is an event coordinator at the Smithsonian Institution's National Museum of American History in Washington, D.C.
James is the grandson of Francis and Carol Ferguson of Austin, Minnesota, Herb and Marge Sexton-Randels of Altoona, Iowa, and Charles and Mary Sexton of Albuquerque, New Mexico. He is a graduate of Enid High School in Enid, Oklahoma, and Oklahoma State University, where he was a member of FarmHouse fraternity. James currently resides in Arlington, Virginia, and is a field engineer for Hensel Phelps Construction Company at the Pentagon in Arlington, Virginia.
The ceremony will take place on June 16, 2007, at the First United Methodist Church, Lewisburg, Tennessee.