Billy

Billy is a male given name: 99% of people named Billy are men, and it is recorded as male in 5 of the 5 countries covered.

MaleHigh

Male 99%Female 1%

Verdict: Male
Male / female split: 99% male / 1% female
Confidence: High (64 or more weighted country observations)
Most common in: United States, Ireland, Sweden
US births since 1880: 382,386 male / 5,352 female
Data: nam_dict (GFDL) + US SSA
Updated: 2026-09-11

How to address Billy

When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Billy," in English, "Guten Tag Billy," in German. Billy is a male given name: about 99% of people named Billy are men. A quick look at a profile confirms it for certain.

Ready-made greetings in six languages

English

Dear Billy,

German

Guten Tag Billy,

French

Bonjour Billy,

Spanish

Estimado/a Billy:

Chinese

Billy您好：

Japanese

Billy様

English

Hi Billy,

German

Hi Billy,

French

Salut Billy,

Spanish

Hola Billy,

Chinese

Billy你好：

Japanese

Billy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 Billy by country (nam_dict, 55 country columns)
Country	How common	Usually	Male share
United States	very common	man's name	99%
Ireland	rare	man's name	98%
Sweden	rare	man's name	98%
Great Britain	rare	man's name	98%
Malta	rare	man's name	98%

United States birth data

382,386 male · 5,352 female · 387,738 births recorded

Male 99%Female 1%

Since 1980: 99% male.

Frequently asked questions

Is Billy a male or female name?

Billy is a male given name: 99% of people named Billy are men, and it is recorded as male in 5 of the 5 countries covered.

How do I address Billy in an email?

Is Billy a unisex name?

Billy is not a unisex name: 99% of people named Billy are men. Billy 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 Billy a male or female name?", https://dearwho.vercel.app/name/billy (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.

BibTeX

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