Sydnee is a distinctive girls' name in United States, ranking #1704 in 2014 with 124 recorded births. This places Sydnee in the top 9% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2003 with 506 births ranking #549. Since 1996, the popularity has decreased by 56.6%. In 2014, approximately 1 in every 14,403 girls born was named Sydnee. FALLING Recent data shows the name is currently falling.