The name Jarett has its origins in the Old Norse language, deriving from the elements "gar" meaning "spear" and "hardr" meaning "hardy" or "brave". It is believed to have emerged sometime during the Viking Age, which spanned from the 8th to the 11th centuries. The name was initially prevalent in Scandinavia, particularly in areas like modern-day Norway, Sweden, and Denmark.

One of the earliest recorded instances of the name Jarett can be found in the Icelandic sagas, where it was mentioned as the name of a Norse warrior who lived during the 10th century. These sagas, which were written in the 13th and 14th centuries, provide valuable insights into the culture and traditions of the Viking era.

In the Middle Ages, the name spread to other parts of Europe, particularly to regions where Norse influence was strong, such as the British Isles and parts of northern France. During this period, the spelling of the name evolved, with variations such as Jarrett, Jarret, and Jarrod appearing in historical records.

Among the notable individuals who bore the name Jarett throughout history, one can mention Jarett de Verneuil, a 12th-century Norman knight who fought in the Crusades and was known for his bravery on the battlefield. Another significant figure was Jarett of Salisbury (c. 1135-1225), an English philosopher and theologian who served as the bishop of Chartres and was renowned for his scholarly works.

In the 16th century, the name gained prominence in Scotland, where a prominent clan chief named Jarett MacGregor (1510-1570) led his clan in numerous battles against the English and other rival clans. His exploits were immortalized in Scottish ballads and folklore.

Moving forward in time, Jarett Atkinson (1776-1842) was an American politician and lawyer who served as a member of the United States House of Representatives from Virginia in the early 19th century. Additionally, Jarett Hoag (1818-1899) was a notable American businessman and industrialist who played a significant role in the development of the steel industry in the United States.

Throughout its long history, the name Jarett has been associated with qualities such as bravery, strength, and determination, reflecting its Viking origins and the hardy spirit of those who bore this name in various cultures and eras.