Updated June 9, 2019 Share: Girl name origins & meanings Old Welsh : White wave Girl name variations Jennifer Jenifer Jenyfer Jenny Jennie Jinny Jenni Jen Jena Jenet Jenna Jennifar Jenafar Jennafar How Popular Is The Name Jennett Family name origins & meanings English : from a pet form of the personal name Jan (see Jayne).Variant spelling of French Jeannette.