The name Cortney is an English variant of the French name Courtney, which is derived from the Old French word "court," meaning "courtly" or "from the court." The name gained popularity during the Middle Ages, particularly in England and France, where it was often associated with aristocratic families and those closely linked to royal courts.

The earliest recorded use of the name Cortney can be traced back to the 12th century in England. One of the earliest known bearers of the name was Reginald de Courtenay, a prominent nobleman and crusader who lived during the reign of King Richard I of England in the late 12th century. The Courtenay family played a significant role in English history, with several members holding influential positions in the government and church.

Another notable figure with the name Cortney was Peter Courtney, an English clergyman who served as the Bishop of Exeter from 1478 to 1487. He was known for his involvement in the Wars of the Roses and his support for the House of Lancaster during the conflict.

In the 16th century, the name Cortney gained further prominence with the birth of Sir William Courtenay (1553-1630), an English courtier and politician who served as a Member of Parliament and held various positions at the court of Queen Elizabeth I.

During the 17th century, the name Cortney was associated with several notable writers and artists. One example is William Courtney (1642-1677), an English poet and playwright who was a contemporary of John Dryden and is known for his satirical works.

In more recent history, Courtney Cox (born 1964) is a well-known American actress best known for her role as Monica Geller in the popular sitcom "Friends." Additionally, Courtney Love (born 1964) is an American singer-songwriter and actress who gained fame as the frontwoman of the rock band Hole and for her turbulent personal life.

While the name Cortney has evolved over time, its roots can be traced back to the Old French word "court," reflecting its historical association with nobility and courtly life. The name has been borne by various notable figures throughout history, spanning different fields and eras, further contributing to its enduring popularity and cultural significance.