Sonni is a distinctive girls' name in United States, ranking #13775 in 2007 with 8 recorded births. The name reached its all-time peak in 2023 with 17 births ranking #6889. Since 1996, the popularity has decreased by 20.0%. In 2007, approximately 1 in every 240,306 girls born was named Sonni. FALLING Recent data shows the name is currently falling.