Cailen is a unisex name of Gaelic origins that means "child" or "pure". Those named Cailen are often described as independent, creative, and intuitive individuals. They have a deep sense of compassion and are always willing to lend a helping hand to those in need. Cailens are also known for their strong sense of loyalty and dedication to their relationships and goals. Overall, Cailen is a unique and powerful name that embodies strength, kindness, and individuality.