Sidnee is a distinctive girls' name in United States, ranking #5933 in 2008 with 24 recorded births. The name reached its all-time peak in 1999 with 39 births ranking #3304. Since 1996, the popularity has decreased by 14.3%. In 2008, approximately 1 in every 78,780 girls born was named Sidnee. RISING Recent data shows the name is currently rising.