Sydny is a distinctive girls' name in United States, ranking #4714 in 1999 with 24 recorded births. The name reached its all-time peak in 2000 with 33 births ranking #3878. Since 1996, the popularity has increased by 26.3%. In 1999, approximately 1 in every 73,908 girls born was named Sydny. RISING Recent data shows the name is currently rising.