Sidney

Sidney is a unisex given name: about 78% of people named Sidney are men and 22% are women, so a gendered salutation is a coin flip and the neutral form is the safe choice.

Mostly maleHigh

Male 78%Female 22%

Verdict: Mostly male
Male / female split: 78% male / 22% female
Confidence: High (64 or more weighted country observations)
Most common in: United States, Great Britain
US births since 1880: 82,946 male / 23,564 female
Data: nam_dict (GFDL) + US SSA
Updated: 2026-09-11

How to address Sidney

To address Sidney when you do not know their gender, use the full name with no title: "Dear Sidney," in English, "Guten Tag Sidney," in German. About 78% of people named Sidney are men and 22% are women, so a gendered salutation is close to a coin flip, and the neutral form above is the safer choice.

Ready-made greetings in six languages

English

Dear Sidney,

German

Guten Tag Sidney,

French

Bonjour Sidney,

Spanish

Estimado/a Sidney:

Chinese

Sidney您好：

Japanese

Sidney様

English

Hi Sidney,

German

Hi Sidney,

French

Salut Sidney,

Spanish

Hola Sidney,

Chinese

Sidney你好：

Japanese

Sidney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 Sidney by country (nam_dict, 55 country columns)
Country	How common	Usually	Male share
United States	very common	man's name	78%
Great Britain	uncommon	man's name	75%

United States birth data

82,946 male · 23,564 female · 106,510 births recorded

Male 78%Female 22%

Since 1980: 38% male.

Frequently asked questions

Is Sidney a male or female name?

Sidney is a unisex given name: about 78% of people named Sidney are men and 22% are women, so a gendered salutation is a coin flip and the neutral form is the safe choice.

How do I address Sidney in an email?

Is Sidney a unisex name?

Sidney is not a unisex name: 78% of people named Sidney are men. Sidney 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 Sidney a male or female name?", https://dearwho.vercel.app/name/sidney (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.

BibTeX

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