Dariusz is a Polish given name, derived as a form of Darius. The name traces its ultimate roots to the Old Persian Darayavauš, meaning "possessing goodness," from daraya ("to hold") and vau ("good"). Historically, Darius is best known as the name of three Achaemenid kings, most notably Darius the Great, who expanded the Persian Empire to its greatest extent and led campaigns against Greece. Etymology and Historical Context The name Darius was Latinized from Greek Dareios, itself borrowed from Old Persian. The name's meaning of "he who upholds the good" or "possessor of goodness" reflects Zoroastrian values. In Poland, the form Dariusz became popular in the 20th century, particularly after the Christianization of Eastern Europe brought Persian-origin names into use. Popularity and Cultural Significance In Poland, Dariusz saw a rise in popularity in the mid-1950s and remains common, often shortened to Darek. The name is less frequent in English-speaking countries but appears among African-American communities. In Lithuania, the equivalent Darijus may be given in honor of aviator Steponas Darius, a Lithuanian-American who died attempting a transatlantic flight. Notable Bearers Dariusz Adamczuk (born 1969), Polish footballer Dariusz Baranowski (born 1972), Polish cyclist Dariusz Białkowski (born 1970), Polish canoeist who won Olympic medals Dariusz Bayer (born 1964), Polish footballer Dariusz Adamus (born 1957), Polish javelin thrower These individuals span sports, history, and the arts, reflecting the name's broad usage in Polish culture. Related Forms Cognates include Italian Dario, Romanian Darius, Croatian Darijo, and Lithuanian Darijus, while the diminutive Darek is used in Poland. Meaning: "Possessing goodness" Origin: Old Persian, via Latin and Greek Type: First name Usage: Predominantly Polish, also used in other Slavic and Baltic countries