Jillyan is a variant of the name Jillian, which has its roots in the French name Jiliane. It means "youthful" and is associated with qualities of youthfulness and vitality. The name has been used in various cultures, including English-speaking countries, where it has evolved over time to become a popular choice for parents. Despite its relatively common usage, Jillyan remains a unique and charming name that evokes a sense of energy and vitality.
