Sonnie is a distinctive girls' name in United States, ranking #6127 in 2023 with 20 recorded births. The name reached its all-time peak in 2025 with 28 births ranking #4868. Since 1996, the popularity has increased by 185.7%. In 2023, approximately 1 in every 80,132 girls born was named Sonnie. RISING Recent data shows the name is currently rising.