Mr. O.G. Hahn, age 87, of Lucas, Texas went to be with his Lord, February 16, 2011, at his home. He was born on January 17, 1924, in Malone, Texas to Otto Gus and Anna (Kelm) Hahn. Mr. Hahn was a graduate of the University of Texas. He proudly served his country in the U.S. Army and was a veteran of World War II and the Korean War. On August 25, 1951, he married Ruth Marie Finke in Austin, Texas. Mr. Hahn was a Charter Member of the Calvary Lutheran Church in Dallas, Texas. He was active in his faith and church, and very devoted to his wife and family. He is survived by his wife of 59 years, Ruth Hahn; daughters and sons-in-law, Deborah and Michael Traudt of Longmont, Colorado and Lois and Mark Zander of Balatan, Minnesota; son and daughter-in-law, James and Judy Hahn of New Ulm, Minnesota; 2 sisters, 13 grandchildren and 5 great grandsons; and a host of other loving family and many friends. He was preceded in death by his parents and 6 brothers. Funeral services will be held at 11:00 a.m., Monday, February 21, 2011, at the Calvary Lutheran Church, 9807 Church Rd. in Dallas with Pastor John Vieths officiating. Interment with military honors will follow at Ridgeview Memorial Park in Allen, Texas. The family will receive friends for a visitation from 6:00-8:00 p.m., Sunday, at Turrentine-Jackson-Morrow Funeral Home.