Sidnie is a distinctive girls' name in United States, ranking #6764 in 2000 with 16 recorded births. This places Sidnie in the top 38% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 27 births ranking #4549. In 2000, approximately 1 in every 113,498 girls born was named Sidnie. STABLE Recent data shows the name is currently stable.