37%RatingSave Gender Masculine Usage Czech Pronounced Pron. BO-leh-slaf [key·IPA] Meaning & HistoryExpand Links Czech form of Bolesław. Related NamesFamily Tree·Details Feminine FormBoleslavaOther Languages & CulturesBoľeslavŭ(Old Slavic) Bolesław, Bolek(Polish) PopularityDetails Last ranked #194 in 2002 Czechia People think this name isRate·Details classic mature formal devious strong rough strange complex Name DaysName Days? Czechia: September 6Slovakia: March 16