The Katie name was the 80th most popular name given to girls in England in 2013. The meaning of Katie is of Greek origin and means “pure”. “Katie” is often a derivative or pet name for the names Katharine, Kathryn, Katherine, Catherine, Kaitlyn, Caitlin, Kate, Cathy, Kathleen, and Katija, but recently has become popular as a given name in its own right.

The popularity of Katie as a first name for girls has been rising in the United Kingdom. It is the 66th most popular name in England and Wales and the 14th most popular in Ireland, while it ranks 8th most popular in Northern Ireland. In Scotland it is 28th most popular in 2013.

Famous people with the name Katie include actress and former wife of Tom Cruise Katie Holmes; the novelist, television personality and former model Katie Price; and the Georgian-British singer and musician Katie Malua. Many famous women with the given name Katherine have also been called Katie as a pet name, among them Katie Couric, Katie LeClerc, Katie Cassidy and Katie Stephens.