Stefani is a distinctive girls' name in United States, ranking #1407 in 1999 with 126 recorded births. The name reached its all-time peak in 1996 with 163 births ranking #1117. Since 1996, the popularity has decreased by 22.7%. In 1999, approximately 1 in every 14,078 girls born was named Stefani. RISING Recent data shows the name is currently rising.