Sullivan

Sullivan is a male given name: 92% of people named Sullivan are men, and it is recorded as male in 2 of the 2 countries covered.

MaleHigh

Male 92%Female 8%

Verdict: Male
Male / female split: 92% male / 8% female
Confidence: High (64 or more weighted country observations)
Most common in: United States, France
US births since 1880: 8,455 male / 779 female
Data: nam_dict (GFDL) + US SSA
Updated: 2026-09-11

How to address Sullivan

When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Sullivan," in English, "Guten Tag Sullivan," in German. Sullivan is a male given name: about 92% of people named Sullivan are men. A quick look at a profile confirms it for certain.

Ready-made greetings in six languages

English

Dear Sullivan,

German

Guten Tag Sullivan,

French

Bonjour Sullivan,

Spanish

Estimado/a Sullivan:

Chinese

Sullivan您好：

Japanese

Sullivan様

English

Hi Sullivan,

German

Hi Sullivan,

French

Salut Sullivan,

Spanish

Hola Sullivan,

Chinese

Sullivan你好：

Japanese

Sullivan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 Sullivan by country (nam_dict, 55 country columns)
Country	How common	Usually	Male share
United States	common	man's name	92%
France	rare	man's name	98%

United States birth data

8,455 male · 779 female · 9,234 births recorded

Male 92%Female 8%

Since 1980: 91% male.

Frequently asked questions

Is Sullivan a male or female name?

Sullivan is a male given name: 92% of people named Sullivan are men, and it is recorded as male in 2 of the 2 countries covered.

How do I address Sullivan in an email?

Is Sullivan a unisex name?

Sullivan is not a unisex name: 92% of people named Sullivan are men. Sullivan 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 Sullivan a male or female name?", https://dearwho.vercel.app/name/sullivan (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.

BibTeX

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