A post office called Wilhelmina was established in 1911, and remained in operation until 1957. The community was named in honor of Wilhelmina of the Netherlands (1880–1962), Queen of the Kingdom of the Netherlands from 1890 to 1948.
- U.S. Geological Survey Geographic Names Information System: Wilhelmina, Missouri
- "Post Offices". Jim Forte Postal History. Retrieved 29 September 2016.
- "Dunklin County Place Names, 1928–1945 (archived)". The State Historical Society of Missouri. Archived from the original on 24 June 2016. Retrieved 29 September 2016.
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