The name "Malesh" has an Old Slavic origin and is a personal name that stems from the adjective "small" or from the name "Mal." In Ukraine, the terms "Malesh" and "Maleshko" are used as surnames, particularly in the regions of Lemkivschyna and Transcarpathia. As a personal name, the terms "Malesh" and "Malesha" are also used by Bulgarians and Serbs, and in Serbian sources, this name has been found since the 14th century to the present day. The earliest written mention of the name "Maleszko" in Ukraine dates back to 1495, while the anthroponym "Malesz" has been recorded in Poland since the early 15th century.