Masculine dossier · first seen 1972

Izaak

Stable Cross-generational persistence

Peak era

2011

Peak births

138

Current vitality

Rare

Peak generation

Gen Z

Quick answers about Izaak

An estimated 2,840 living Americans are named Izaak.

Izaak is very rare among babies today, with 41 boys receiving the name in 2025, down 70.3% from its 2011 peak.

The median age of a living American named Izaak is approximately 18 years, with most bearers falling between 12 and 25 years old.

Yes. Izaak is holding steady, with 41 births in 2025 and a consistent recent baseline.

1972Peak 20112025

Peak year

2011

Decline from peak

70.3%

2025

All-time

2,889

Izaak has been in gradual retreat. The last decade averaged 2× lower than the decade before it — a slow, steady fade rather than a collapse.

Izaak peaked in 2011, when 138 boys were given the name.

In 2025, only 41 boys were given the name.

Down 70.3% from its peak.

In all, the Social Security Administration has recorded about 2,889 Americans named Izaak since 1972.

Rarity score99th percentile rare

Peak generationGen Z

StabilityEra-bound, still legible

TrajectoryCross-generational persistence

Living profile

2,846

Estimated living Americans with this name.

Median age18

Core range12–25

Playground Density Index 0.1%

Wave type

Steady Decline

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