Hagan is a traditional Scottish and Irish surname that means "young" or "youthful." It is often used as a first name for boys and has a strong, masculine sound to it. People with the name Hagan are typically described as confident, ambitious, and hardworking individuals. They are natural-born leaders who excel in taking charge and making decisions. Hagan is a name that exudes strength and determination, making it a popular choice for parents looking for a strong and powerful name for their son.