In addition to the Ukrainian Радомишль (Radomyshl), in other languages the name of the city is Polish: Radomyśl and Yiddish: ראַדאָמישל.

[3] Administratively it was part of the Kyiv Voivodeship in the Lesser Poland Province of the Polish Crown.

In 1919 during the Russian Civil War a pogrom by militants under ataman Sokolovsky struck the community.

During World War II, Radomyshl was occupied by the German Army from 9 July 1941 to 10 November 1943 then again from 7 to 26 December 1943.

On 6 September 1941, Sonderkommando 4a in collaboration with Ukrainian Auxiliary Police shot 1,107 adults and 561 children in the forest during the ghetto liquidation Aktion.

[6] Distribution of the population by native language according to the 2001 census:[7] Nowadays Radomyshl is known primarily for the Museum of Ukrainian home icons located in Radomysl Castle, a private museum founded by Olha Bohomolets.