The given name Jimmy is a diminutive or pet form of the name James, which originated from the Late Latin name Iacomus. Iacomus itself derived from the Hebrew name Ya'aqov, meaning "supplanter" or "one who follows". The name James ultimately traces its roots back to the biblical patriarch Jacob, one of the earliest recorded examples of this name.

Jimmy emerged as a nickname for James in English-speaking cultures, likely during the Middle Ages when diminutive forms of names became popular. The earliest recorded use of Jimmy as a given name dates back to the 16th century in England.

One of the most famous bearers of the name Jimmy was Jimmy Stewart (1908-1997), an American actor best known for his roles in classic films such as "It's a Wonderful Life" and "Rear Window". Another notable Jimmy was Jimmy Carter (born 1924), the 39th President of the United States from 1977 to 1981.

In the world of sports, Jimmy Connors (born 1952) was a legendary American tennis player who won eight Grand Slam singles titles during his career. Jimmy Greaves (1940-2021) was an English football (soccer) player and one of the greatest goal-scorers in the history of the sport.

Lastly, Jimmy Hoffa (1913-1975?) was an influential American labor union leader who rose to prominence as the President of the International Brotherhood of Teamsters. His disappearance in 1975 remains one of the most famous unsolved mysteries in American history.

While the name Jimmy has its roots in the biblical name Jacob, it has evolved over time and gained popularity as a standalone given name, particularly in English-speaking countries. Its enduring presence in various fields, from entertainment to politics and sports, attests to its widespread use and cultural significance.