Sonnie is a distinctive girls' name in United States, ranking #6381 in 2021 with 19 recorded births. The name reached its all-time peak in 2025 with 28 births ranking #4868. Since 1996, the popularity has increased by 171.4%. In 2021, approximately 1 in every 86,301 girls born was named Sonnie. RISING Recent data shows the name is currently rising.