Isaiah

Isaiah is a male given name: 100% of people named Isaiah are men, and it is recorded as male in 1 of the 1 countries covered.

MaleHigh

Male 100%Female 0%

Verdict: Male
Male / female split: 100% male / 0% female
Confidence: High (64 or more weighted country observations)
Most common in: United States
US births since 1880: 207,627 male / 606 female
Data: nam_dict (GFDL) + US SSA
Updated: 2026-09-11

How to address Isaiah

When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Isaiah," in English, "Guten Tag Isaiah," in German. Isaiah is a male given name: about 100% of people named Isaiah are men. A quick look at a profile confirms it for certain.

Ready-made greetings in six languages

English

Dear Isaiah,

German

Guten Tag Isaiah,

French

Bonjour Isaiah,

Spanish

Estimado/a Isaiah:

Chinese

Isaiah您好：

Japanese

Isaiah様

English

Hi Isaiah,

German

Hi Isaiah,

French

Salut Isaiah,

Spanish

Hola Isaiah,

Chinese

Isaiah你好：

Japanese

Isaiahさん

Greeting generator

This is a statistical estimate, not a statement about the gender, identity or correct form of address of any particular person.

Country breakdown

Gender of the name Isaiah by country (nam_dict, 55 country columns)
Country	How common	Usually	Male share
United States	very common	man's name	100%

United States birth data

207,627 male · 606 female · 208,233 births recorded

Male 100%Female 0%

Since 1980: 100% male.

Frequently asked questions

Is Isaiah a male or female name?

Isaiah is a male given name: 100% of people named Isaiah are men, and it is recorded as male in 1 of the 1 countries covered.

How do I address Isaiah in an email?

Is Isaiah a unisex name?

Isaiah is not a unisex name: 100% of people named Isaiah are men. Isaiah leans strongly male overall.

Sources

Gender by country: nam_dict, the c't first-names dictionary by Joerg Michael, roughly 44,000 names across 55 countries, licensed GFDL. US frequencies: United States Social Security Administration baby-name data, public domain. Method: how we classify names. Full dataset: data & licences. Data built 2026-09-11.

Cite this page

DearWho, "Is Isaiah a male or female name?", https://dearwho.vercel.app/name/isaiah (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.

BibTeX

@misc{dearwho_isaiah,
  title  = {Is Isaiah a male or female name?},
  author = {{DearWho}},
  year   = {2026},
  url    = {https://dearwho.vercel.app/name/isaiah},
  note   = {Data: nam_dict (GFDL), US SSA public domain}
}