Sonnie is a distinctive girls' name in United States, ranking #8548 in 2018 with 13 recorded births. The name reached its all-time peak in 2025 with 28 births ranking #4868. Since 1996, the popularity has increased by 85.7%. In 2018, approximately 1 in every 130,802 girls born was named Sonnie. RISING Recent data shows the name is currently rising.