Jennefer is of English origin, derived from the name Jennifer. It means "fair and smooth." The name gained popularity during the mid-20th century, often used as a feminine given name. Jennefer is pronounced /ˈdʒɛnɪfə/.
The name Jennefer experienced a significant increase in popularity between the 1960s and early 1970s, with a peak of 61 births recorded in 1972. However, it appears to have fallen out of favor thereafter, with fewer than 30 births per year after 1988. The total number of births registered for the name Jennefer from 1950 to 2010 is 1498.