Feminine dossier · first seen 1886

Sydney

Endangered Down 91.5% from peak

Peak era

2000

Peak births

10,243

Current vitality

Fragile

Peak generation

Gen Z

1886Peak 20002025

Quick answers about Sydney

An estimated 173,619 living Americans are named Sydney.

Sydney is moderately uncommon among babies today, with 873 girls receiving the name in 2025, down 91.5% from its 2000 peak.

The median age of a living American named Sydney is approximately 24 years, with most bearers falling between 18 and 29 years old.

No. Sydney is endangered as a baby name, down 91.5% from its 2000 peak with 873 births in 2025.

Peak year

2000

Decline from peak

91.5%

2025

873

All-time

178,296

Sydney has been in gradual retreat. The last decade averaged 3× lower than the decade before it — a slow, steady fade rather than a collapse.

Sydney peaked in 2000, when 10,243 girls were given the name.

In 2025, only 873 girls were given the name.

Down 91.5% from its peak.

In all, the Social Security Administration has recorded about 178,296 Americans named Sydney since 1886.

Rarity scoreUncommon

Peak generationGen Z

StabilityHighly era-bound

TrajectoryDown 91.5% from peak

200010,243 girls named Sydney

2025873 girls named Sydney

Living profile

173,619

Estimated living Americans with this name.

Median age24

Core range18–29

Playground Density Index 1.6%

Wave type

Steady Decline

A name with a broad middle and a downward recent trajectory.