Sonnie is a distinctive boys' name in United States, ranking #7772 in 1999 with 8 recorded births. This places Sonnie in the bottom 33% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2023 with 22 births ranking #4719. In 1999, approximately 1 in every 240,011 boys born was named Sonnie. FALLING Recent data shows the name is currently falling.