Sonnie is a distinctive girls' name in United States, ranking #4868 in 2025 with 28 recorded births. The name reached its all-time peak in 2025 with 28 births ranking #4868. Since 1996, the popularity has increased by 300.0%. In 2025, approximately 1 in every 57,402 girls born was named Sonnie. RISING Recent data shows the name is currently rising.