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Founded in 1871, Ivester was named after Charles Ivester Keiter, the editor of The Atlas, a Grundy Center newspaper. Ivester had a post office and a German Baptist Church in the late 1800s, founded in 1871, the congregation is still active as Ivester Church of the Brethren. The post office at Ivester closed in 1904.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- Savage, Tom (2007). A Dictionary of Iowa Place-Names, p. 116. University Of Iowa Press. ISBN 1-58729-531-8.
- United States Official Postal Guide (1896), George F. Lasher, Printer. p. 350.
- Old Post Offices: Grundy County, IA IAGenWeb.com Retrieved 2011-05-14.