Sydnie is a distinctive girls' name in United States, ranking #1478 in 2008 with 159 recorded births. The name reached its all-time peak in 2000 with 352 births ranking #681. Since 1996, the popularity has decreased by 32.3%. In 2008, approximately 1 in every 11,891 girls born was named Sydnie. FALLING Recent data shows the name is currently falling.