Sidnee is a distinctive girls' name in United States, ranking #4060 in 2002 with 32 recorded births. The name reached its all-time peak in 1999 with 39 births ranking #3304. Since 1996, the popularity has increased by 14.3%. In 2002, approximately 1 in every 56,151 girls born was named Sidnee. RISING Recent data shows the name is currently rising.