Sydni is a distinctive girls' name in United States, ranking #1160 in 2005 with 200 recorded births. The name reached its all-time peak in 2000 with 468 births ranking #559. Since 1996, the popularity has decreased by 14.9%. In 2005, approximately 1 in every 9,238 girls born was named Sydni. RISING Recent data shows the name is currently rising.