Sidnee is a distinctive girls' name in United States, ranking #10338 in 2012 with 11 recorded births. The name reached its all-time peak in 1999 with 39 births ranking #3304. Since 1996, the popularity has decreased by 60.7%. In 2012, approximately 1 in every 160,067 girls born was named Sidnee. RISING Recent data shows the name is currently rising.