Sidnee is a distinctive girls' name in United States, ranking #4374 in 2004 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 2004, approximately 1 in every 57,379 girls born was named Sidnee. RISING Recent data shows the name is currently rising.