Jennilyn is a female name with English origin. It is pronounced as "jen-uh-lin" (/dʒənˈlɪn/). This name also has a variation, Jennylyn. Jennilyn has been given to newborns in the United States since at least 1966. In recent years, it has ranked around the 12,000 to 16,000 mark in terms of popularity. The name Jennilyn carries no specific associations or meanings beyond its pleasant and melodic sound. It is a unique choice for parents looking for a name that is not overly common but still familiar and easy to pronounce.