Sonnie is a distinctive girls' name in United States, ranking #8261 in 1997 with 11 recorded births. The name reached its all-time peak in 2025 with 28 births ranking #4868. Since 1996, the popularity has increased by 57.1%. In 1997, approximately 1 in every 158,242 girls born was named Sonnie. RISING Recent data shows the name is currently rising.