Masculine dossier · first seen 1972

Izaak

Stable Cross-generational persistence

Peak era

2011

Peak births

138

Current vitality

Rare

Peak generation

Gen Z

1972Peak 20112025

Quick answers about Izaak

An estimated 2,846 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.

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.