Sydnie is a distinctive girls' name in United States, ranking #10824 in 2025 with 9 recorded births. The name reached its all-time peak in 2000 with 352 births ranking #681. Since 1996, the popularity has decreased by 96.2%. In 2025, approximately 1 in every 178,585 girls born was named Sydnie. FALLING Recent data shows the name is currently falling.