Sonnie is a distinctive girls' name in United States, ranking #11144 in 2010 with 10 recorded births. The name reached its all-time peak in 2025 with 28 births ranking #4868. Since 1996, the popularity has increased by 42.9%. In 2010, approximately 1 in every 177,733 girls born was named Sonnie. RISING Recent data shows the name is currently rising.