Dallen is a unisex name of Irish origin, meaning "valley." It is a unique and uncommon name that exudes a sense of peacefulness and tranquility. Those named Dallen are often seen as calm, reliable, and trustworthy individuals who are great listeners and caring friends. Dallen is a name that brings to mind images of lush green valleys and serene landscapes, reflecting the gentle and grounded nature of those who bear it. Overall, Dallen is a beautiful and meaningful name that evokes a sense of peace and harmony.