The name Nell originated as a diminutive form of the female name Eleanor, which is derived from the Old French phrase "Alia Ænor", meaning "Other Aenor". The name Eleanor was introduced to England by the Norman conquerors and became popular after Eleanor of Aquitaine.

Nell first appeared in the Middle Ages as a nickname for Eleanor. One of the earliest recorded examples of the name Nell was in the 14th century English poem "Piers Plowman" by William Langland, where a character named Nell is mentioned.

During the 16th and 17th centuries, Nell gained popularity as a standalone name in England. It was particularly fashionable among the lower classes and was often associated with milkmaids or servants. The famous English diarist Samuel Pepys frequently referred to his wife Elizabeth as "Nell" in his diary.

One of the most renowned figures in history with the name Nell was Nell Gwyn (1650-1687), a famous English actress and mistress of King Charles II. She was known for her wit, charm, and beauty, and her influence on the king was significant.

Another notable Nell was Nell Gwynne (1659-1687), an English actress and comedian who performed in various plays during the Restoration period. She was renowned for her comedic talents and was a contemporary of Nell Gwyn.

Nell Nicholson (1863-1945) was an American author and social reformer who wrote several books on women's issues and advocated for women's rights and suffrage.

Nell Carter (1948-2003) was an American singer and actress best known for her role as Nell Harper on the TV sitcom "Gimme a Break!". She won two Emmy Awards for her performance and was praised for her comedic timing and powerful singing voice.

Nell Shipman (1892-1970) was a pioneering Canadian actress, writer, and producer who was one of the first women to produce and star in her own films during the silent era of Hollywood.