Glenna is a name of Celtic origin meaning "valley." It is a name that conveys a sense of peace and tranquility, evoking images of lush green landscapes and flowing streams. People named Glenna are often described as kind-hearted, nurturing, and intuitive individuals. They have a deep connection to nature and a strong sense of empathy for those around them. Glenna's are known for their gentle demeanor and their ability to bring a sense of calm to any situation.