Sydnee is a distinctive girls' name in United States, ranking #4889 in 2022 with 28 recorded births. The name reached its all-time peak in 2003 with 506 births ranking #549. Since 1996, the popularity has decreased by 90.2%. In 2022, approximately 1 in every 58,527 girls born was named Sydnee. FALLING Recent data shows the name is currently falling.