She was born in Lawton, Oklahoma on August 15, 1944. Diana graduated from St. Pius High School and had a career in accounting for Harris County, CDI and Moss Seal. She had a passion for family, friends, playing games and shopping. Diana had a huge personality that could brighten up any room and her compassion and love for those she cared about was what made her such a special human being. Her love for God shown through in everything that she did and her final wish was that everyone she loved have a personal relationship with Jesus Christ.
Her two sons; William Robert Beil and John Beil Jr. survived her, as well as her grandchildren; Camille Beil, Robert Beil Jr., Mary Belcik, Madelynn Beil, Maggie Beil, Bo Beil and Ana Rangel, her siblings; Jitter Henderson, Nona Stombom and Tuffy Henderson, other family members and many friends.