The name Maggie is a diminutive form of the name Margaret, which is derived from the Ancient Greek name Margarites, meaning "pearl". Margaret was a popular name among early Christians, who saw the pearl as a symbol of purity and the soul's journey to heaven.

The name Margaret gained widespread use across Europe during the Middle Ages, and many variations emerged, including Margery, Meg, Madge, and Maggie. Maggie became particularly common in Scotland and Ireland, where it was seen as a more informal and affectionate version of the name.

One of the earliest recorded instances of the name Maggie can be found in the works of the 14th-century Scottish poet John Barbour, who referred to a character named "Maggy the Wych" in his epic poem, The Brus.

Throughout history, several notable individuals have borne the name Maggie. One of the most famous was Margaret of Anjou (1430-1482), the wife of King Henry VI of England, who played a pivotal role in the Wars of the Roses. Another notable figure was Maggie Blanck (1837-1923), an American businesswoman who co-founded the Blanck's Revue, one of the earliest vaudeville theaters in New York City.

In literature, the name Maggie features prominently in George Eliot's novel The Mill on the Floss (1860), where the protagonist, Maggie Tulliver, is a passionate and unconventional young woman who struggles against societal expectations.

Other notable figures named Maggie include Maggie Smith (born 1934), the acclaimed British actress known for her roles in films such as the Harry Potter series and Downton Abbey, and Maggie Kuhn (1905-1995), an American activist who founded the Gray Panthers, an influential advocacy group for the elderly.

Maggie has endured as a popular name throughout the centuries, with its informal and affectionate connotations making it a beloved choice for parents seeking a diminutive form of the more formal Margaret.