Sydnie is a distinctive girls' name in United States, ranking #1297 in 2007 with 189 recorded births. The name reached its all-time peak in 2000 with 352 births ranking #681. Since 1996, the popularity has decreased by 19.6%. In 2007, approximately 1 in every 10,172 girls born was named Sydnie. FALLING Recent data shows the name is currently falling.