Sydnie is a distinctive girls' name in United States, ranking #1924 in 2010 with 105 recorded births. The name reached its all-time peak in 2000 with 352 births ranking #681. Since 1996, the popularity has decreased by 55.3%. In 2010, approximately 1 in every 16,927 girls born was named Sydnie. FALLING Recent data shows the name is currently falling.