Sydney is a moderately popular girls' name in England & Wales, ranking #295 in 2025 with 151 recorded births. The name reached its all-time peak in 2003 with 223 births ranking #211. Since 1996, the popularity has increased by 54.1%. In 2025, approximately 1 in every 1,677 girls born was named Sydney. RISING Recent data shows the name is currently rising.
Sydney is a familiar unisex classic with an English surname and place-name background. It feels smart, steady, and very wearable.
The name has had long first-name use and remains recognisable thanks to its balanced sound and geographical associations. Its spelling variants have helped it stay flexible across generations.