According to Auguste Mochot, publishing a book on Marcilly-sur-Tille in 1882, the origin of the name would come from "Mar" = isolated mountain and "arci" = entrenched place, which makes "Marci" = entrenched place near of an isolated mountain. The final "illy" to be regarded as a detail of locution specific to the idiom of the region. By its isolated position, the location of Mont de Marcilly naturally attracted prehistoric men. Indeed, it allowed the control of the valley of the Tille. This observation post also served as a refuge in case of danger. Weapons (blades of sickles and knives), clearly specialized tools (like saw) were found there and are exhibited at the Archaeological Museum of Dijon. More information...
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