The name Louie finds its origins in the French and German languages. It is a diminutive form of the name Louis, which derived from the Old Frankish "Hlodouuic" or "Hlodowig," meaning "famous warrior." The name gained widespread popularity during the reign of the Frankish king Louis the Pious (778-840 AD), who was also known as Ludwig in German.

One of the earliest recorded instances of the name Louie can be found in the historical records of the Middle Ages. In the 13th century, there was a French nobleman named Louie de Brienne, who served as a knight and crusader during the Sixth Crusade. Another notable figure was Louis IX, also known as Saint Louis (1214-1270), the King of France who led the Seventh and Eighth Crusades.

Throughout history, several influential figures have borne the name Louie. One of the most famous was Louis XIV of France (1638-1715), known as the Sun King, who reigned for over 72 years and was a significant figure during the Baroque period. Another notable Louie was the American jazz musician and singer Louis Armstrong (1901-1971), who was a pioneering figure in the development of jazz and instrumental in popularizing the genre worldwide.

In the literary world, Louis Braille (1809-1852) was a French educator who invented the Braille system of reading and writing for the blind, revolutionizing education for the visually impaired. Louis Pasteur (1822-1895), a French chemist and microbiologist, made groundbreaking discoveries in the field of germ theory and developed the process of pasteurization, which significantly improved food safety and public health.

The name Louie has also been associated with royalty and nobility. Louis XVI (1754-1793) was the last king of France before the French Revolution, while Louis XVIII (1755-1824) was the first king to rule after the fall of Napoleon Bonaparte. Louis Philippe I (1773-1850) was the last king of France, ruling from 1830 to 1848 before the establishment of the Second Republic.