Sonnie is a distinctive boys' name in United States, ranking #10875 in 2008 with 7 recorded births. This places Sonnie in the bottom 26% 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 2008, approximately 1 in every 291,421 boys born was named Sonnie. FALLING Recent data shows the name is currently falling.