Caitlin is a common feminine given name of Irish origin, derived from the name Catherine. It has various spellings, including Kaitlyn and Katelyn, and is popular in English-speaking countries. The name often symbolizes purity and innocence, reflecting its historical roots. In modern times, Caitlin has become a widely used name, appearing in popular culture, literature, and media. Many notable individuals bear the name, including Caitlin Moran, a British author and journalist, and Caitlin Stasey, an Australian actress. The name continues to be favored by parents for its melodic sound and cultural significance.