Sidnie is a distinctive girls' name in United States, ranking #8981 in 2003 with 12 recorded births. This places Sidnie in the top 49% 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. Since 1996, the popularity has decreased by 25.0%. In 2003, approximately 1 in every 152,254 girls born was named Sidnie. STABLE Recent data shows the name is currently stable.