Jeffy is a male name of English origin. It is pronounced as JEH-fee (/ˈdʒɛfi/). This name is a variation of the name Jeff. In the United States of America, Jeffy has been given to newborn boys since at least 1958. It had its highest occurrence in 1989 when it ranked 6th among baby names for boys. The popularity of the name has varied over the years, but it has consistently been chosen by parents looking for a unique and distinctive name for their son. Jeffy is a charming and modern choice with an energetic sound that sets it apart from more traditional names.