Sidnee is a distinctive girls' name in United States, ranking #12852 in 2015 with 8 recorded births. The name reached its all-time peak in 1999 with 39 births ranking #3304. Since 1996, the popularity has decreased by 71.4%. In 2015, approximately 1 in every 223,082 girls born was named Sidnee. RISING Recent data shows the name is currently rising.