The first settlement at Olena was made around 1832. A post office called North Fitchville was established in 1832, the name was changed to Olena in 1849, and the post office closed in 1932. The present name may be derived from Olean, New York.
- U.S. Geological Survey Geographic Names Information System: Olena
- Baughman, Abraham J. (1909). History of Huron County, Ohio: Its Progress and Development, with Biographical Sketches of Prominent Citizens of the County, Volume 1. S. J. Clarke Publishing Company. p. 196.
- U.S. Geological Survey Geographic Names Information System: Olena Post Office (historical)
- Overman, William Daniel (1958). Ohio Town Names. Akron, OH: Atlantic Press. p. 104.
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