What is kelly short for?

Kelly is a unisex given name that means "warrior" or "brave". It is typically used as a shortened form of the name "Kelvin", but it can also be a shortened form of the names "Kelsey", "Kellie", "Kendall", "Kellyn", or "Kellan". The name has Irish and Gaelic origins, and it was originally spelled as "Ceallach" or "Ceallachán". Its popularity peaked in the 1970s and 1980s, but it is still commonly used today. Famous people named Kelly include Kelly Clarkson, Kelly Ripa, and Kelly Slater.