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Isaia

Isaia is classified as a male given name in our dataset. A first name alone does not establish someone’s gender or preferred form of address.

MaleLow

Confidence describes the weight of the source data, not a measured accuracy rate.

We have limited data on this name. Treat the verdict as a lead, not a certainty.

Verdict
Male
Confidence
Low (source weight below 8; not an accuracy rate)
High source frequency in
United States, Romania, Italy
US records 1880–2017
398 male / 0 female
Data
nam_dict (GFDL) + US SSA
Dataset built
2026-09-11

How to address Isaia

If you do not know Isaia’s preferred form of address, use a greeting without Mr or Ms: “Dear Isaia,” in English, “Guten Tag Isaia,” in German. Include their family name if you know it. The name’s classification describes its usage. Follow the form of address the person uses for themselves.

Ready-made greetings in six languages

English

Dear Isaia,

German

Guten Tag Isaia,

French

Bonjour Isaia,

Spanish

Estimado/a Isaia:

Chinese

Isaia您好：

Japanese

Isaia様

English

Hi Isaia,

German

Hi Isaia,

French

Salut Isaia,

Spanish

Hola Isaia,

Chinese

Isaia你好：

Japanese

Isaia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

Classification of Isaia by country (nam_dict and US SSA; not a survey of today’s population)
CountryHow commonUsually
United Statesrareman's name
Romaniarareman's name
Italyrareman's name

United States birth data

398 male · 0 female · 398 births recorded

Male ≈ 100%Female ≈ 0%

Records from 1980–2017: 100% male.

Frequently asked questions

Is Isaia a male or female name?

Isaia is classified as a male given name in our dataset. A first name alone does not establish someone’s gender or preferred form of address.

How do I address Isaia in an email?

If you do not know Isaia’s preferred form of address, use a greeting without Mr or Ms: “Dear Isaia,” in English, “Guten Tag Isaia,” in German. Include their family name if you know it. The name’s classification describes its usage. Follow the form of address the person uses for themselves.

Is Isaia a unisex name?

Isaia is classified as generally male in the combined dataset. This does not rule out other uses. Our categories describe the sources, rather than a complete survey of everyone with this name.

Related names

MariaFemaleAnnaFemaleMarieFemalePeterMaleJeanDepends on the countryAlexanderMaleDavidMaleJoseMale

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 (1880–2017), public domain. Classifications are not measured accuracy rates. Method: how we classify names. Full dataset: data & licences. US source data (babynames). Dataset built 2026-09-11; this is not a new collection date for the source records.

Cite this page

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

BibTeX
@misc{dearwho_isaia,
  title  = {Is Isaia a male or female name?},
  author = {{DearWho}},
  year   = {2026},
  url    = {https://www.dearwho.app/name/isaia},
  note   = {Data: nam_dict (GFDL), US SSA public domain}
}