Sosi is a distinctive girls' name in United States, ranking #16960 in 2025 with 5 recorded births. This places Sosi in the bottom 2% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2022 with 6 births ranking #15076. In 2025, approximately 1 in every 321,453 girls born was named Sosi. FALLING Recent data shows the name is currently falling.