The name Garett has its origins in the Old German language, derived from the Germanic name "Gerard" or "Gerald". It is a compound name formed by combining the elements "gair" meaning "spear" and "hard" meaning "brave" or "hardy". The name first appeared in written records around the 8th century AD, during the medieval period in the regions of modern-day Germany, France, and the Low Countries.

One of the earliest recorded historical figures with the name Garett was Garett Fitzgerold, an Anglo-Norman nobleman who lived in the 12th century and served as the Lord of Kildare in Ireland. Another notable individual was Garett Smert, a Dutch merchant and explorer who sailed with the Dutch East India Company in the 17th century, and is credited with discovering several islands in the Pacific Ocean.

In the literary world, Garett Hoskins was an English poet and playwright born in 1642, known for his works such as "The Revenge" and "The Loyal Subject". In the field of science, Garett Raaff (1637-1719) was a Dutch astronomer and mathematician who made significant contributions to the study of comets and celestial mechanics.

One of the most famous historical figures with the name Garett was Garett Augustus Morgan Sr. (1877-1963), an African-American inventor and entrepreneur who patented several inventions, including an improved traffic signal and a safety hood used to protect firefighters from smoke inhalation.

The name Garett has maintained a presence throughout history, with variations in spelling such as Garrett, Garret, and Garrette appearing in different regions and time periods. While the name has its roots in Old German, it has been adopted and used in various cultures around the world, reflecting its enduring popularity and historical significance.