Feminine dossier · first seen 2002

Isyss

Stable Decline Gradual decline from 2003

Peak era

2003

Peak births

133

Current vitality

Rare

Peak generation

Gen Z

Quick answers about Isyss

An estimated 591 living Americans are named Isyss.

Isyss is very rare among babies today, with 5 girls receiving the name in 2025, down 96.2% from its 2003 peak.

The median age of a living American named Isyss is approximately 20 years, with most bearers falling between 16 and 23 years old.

Not especially. Isyss has been declining since its 2003 peak and registered 5 births in 2025.

2002Peak 20032025

Peak year

2003

Decline from peak

96.2%

2025

All-time

599

Isyss has been in gradual retreat. The last decade averaged 4.9× lower than the decade before it — a slow, steady fade rather than a collapse.

Isyss peaked in 2003, when 133 girls were given the name.

In 2025, only 5 girls were given the name.

Down 96.2% from its peak.

In all, the Social Security Administration has recorded about 599 Americans named Isyss since 2002.

Rarity score99th percentile rare

Peak generationGen Z

StabilityHighly era-bound

TrajectoryGradual decline from 2003

Living profile

593

Estimated living Americans with this name.

Median age20

Core range16–23

Playground Density Index 0.0%

Wave type

Flash Flood

A concentrated generational spike rather than a slow classic.