Merna is a village in Custer County, Nebraska, United States. The population was 391 at the 2000 census.
In 1972, Gerald F. Merna, the Executive Assistant to the Postmaster General at the U.S. Postal Service Headquarters in Washington, DC, learned there was a Third Class Post Office named Merna, in Custer County, Nebraska. Curious as to his “namesake” Post Office, on Feb. 16th Mr. Merna wrote a letter to Kenneth L. Bergstrom, then the Postmaster of Merna, Nebraska 68856, inquiring how the town got its name "Merna."
Postmaster Bergstrom sent Mr. Merna a small pamphlet, “STORY of MERNA and AREA.” Selected excerpts from that pamphlet disclosed the following information: