Sydnye is a distinctive girls' name in United States, ranking #12268 in 1998 with 7 recorded births. The name reached its all-time peak in 1997 with 9 births ranking #9713. Since 1996, the popularity has decreased by 12.5%. In 1998, approximately 1 in every 252,413 girls born was named Sydnye. FALLING Recent data shows the name is currently falling.