Sydney is a moderately popular girls' name in United States, ranking #348 in 2025 with 873 recorded births. The name reached its all-time peak in 2000 with 10,243 births ranking #23. Since 1996, the popularity has decreased by 88.0%. In 2025, approximately 1 in every 1,841 girls born was named Sydney. FALLING Recent data shows the name is currently falling.