Adolf is a masculine given name of Germanic origin, derived from the Old High German elements adal meaning "noble" and wolf meaning "wolf." The name is a compound of adal and wolf, thus carrying the meaning "noble wolf." It is cognate with the Anglo-Saxon name Æthelwulf and the Old High German Athalwolf or Hadulf, where the first element may also derive from had(u)- meaning "battle, combat." Another possible etymology traces it to Waldwulf, combining "power" or "brightness" with "wolf." The name has been Latinized as Adolphus and appears in various forms across European languages, including Adolph in English, Aadolf in Finnish, and Adalwolf in Germanic. Historical Usage Adolf was a common name among European royalty and nobility, particularly in Sweden, where it was borne by several kings. The most notable was Gustav II Adolf (1594–1632), also known as Gustavus Adolphus, a prominent monarch and military leader during the Thirty Years' War. The name also appeared in other royal houses, such as in the House of Nassau and among German nobility. During the 19th and early 20th centuries, Adolf was a popular name for baby boys in German-speaking countries and other parts of Europe. Decline in Popularity The name's widespread use came to an abrupt halt after World War II due to its strong association with Adolf Hitler (1889–1945), the dictator of Nazi Germany. The negative connotations have led to a dramatic decline in the name's popularity, and it is now rarely given to newborns in many countries. Similar names, such as the Lithuanian Adolfas and Latvian Ādolfs, have also been affected, though to a lesser extent. The female forms Adolphine and Adolpha are extremely rare. Variants and Related Forms Adolf has numerous variants and diminutives across different languages. In German, the diminutive Adi is used, while Danish has Alf. Finnish forms include Aatto and Aatu. The name has also given rise to surnames such as Adolfs (Dutch), Adolfsson (Swedish), and Adolvsson (Swedish). Meaning: "noble wolf" Origin: Germanic (Old High German) Type: Given name Usage regions: Czech, Danish, Dutch, German, Hungarian, Norwegian, Polish, Swedish, Germanic