The given name Jammie is a relatively modern variant of the name James, which has its origins in the Late Latin name Iacomus. The Late Latin name Iacomus is derived from the Hebrew name Ya'aqov, meaning "supplanter" or "one who follows".

The name James has been a popular choice for centuries, particularly in the Christian tradition, where it was borne by two of the Twelve Apostles in the New Testament. The name was also favored by several European royal families, contributing to its widespread use across the continent.

One of the earliest recorded examples of the name Jammie can be traced back to the late 19th century, when it emerged as a diminutive or pet form of James in English-speaking countries. While not as common as its parent name, Jammie gained some popularity as a distinctive and informal variant.

Throughout history, several notable individuals have borne the name Jammie. One such person was Jammie McQueen (1919-2003), a Scottish actor and comedian best known for his roles in British television series and films. Another was Jammie Dupree (1935-2008), an American country music singer and songwriter who had several hits in the 1960s and 1970s.

In the world of sports, Jammie Vaughn (born 1976) is a former professional basketball player who played in the NBA for several teams, including the Orlando Magic and the New Jersey Nets. Jammie Doherty (born 1978) is an Irish retired professional footballer who played as a midfielder for various clubs in England and Scotland.

Another notable figure with the name Jammie was Jammie Smith (1925-2005), an American jazz drummer and composer who was a renowned session musician and performed with many legendary artists throughout his career.

It's worth noting that while the name Jammie has its roots in the English language, it has also been adopted and used in various other cultures and languages, further contributing to its diversity and global appeal.