Sydnie is a distinctive girls' name in United States, ranking #897 in 2003 with 266 recorded births. The name reached its all-time peak in 2000 with 352 births ranking #681. Since 1996, the popularity has increased by 13.2%. In 2003, approximately 1 in every 6,869 girls born was named Sydnie. FALLING Recent data shows the name is currently falling.