Sidonia
Sidonia is a female given name: 99% of people named Sidonia are women, and it is recorded as female in 4 of the 4 countries covered.
Sidonia · Sidónia
- Verdict
- Female
- Male / female split
- 1% male / 99% female
- Confidence
- Medium (8 to 63 weighted country observations)
- Most common in
- United States, Portugal, Romania
- Also spelled
- Sidónia
- US births since 1880
- 0 male / 398 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Sidonia
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Sidonia," in English, "Guten Tag Sidonia," in German. Sidonia is a female given name: about 99% of people named Sidonia are women. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Sidonia,
German
Guten Tag Sidonia,
French
Bonjour Sidonia,
Spanish
Estimado/a Sidonia:
Chinese
Sidonia您好：
Japanese
Sidonia様
English
Hi Sidonia,
German
Hi Sidonia,
French
Salut Sidonia,
Spanish
Hola Sidonia,
Chinese
Sidonia你好：
Japanese
Sidoniaさん
This is a statistical estimate, not a statement about the gender, identity or correct form of address of any particular person.
Country breakdown
| Country | How common | Usually | Male share |
|---|---|---|---|
| United States | rare | woman's name | 0% |
| Portugal | rare | woman's name | 2% |
| Romania | rare | woman's name | 2% |
| Slovakia | rare | woman's name | 2% |
United States birth data
0 male · 398 female · 398 births recorded
Since 1980: 0% male.
Frequently asked questions
Is Sidonia a male or female name?
Sidonia is a female given name: 99% of people named Sidonia are women, and it is recorded as female in 4 of the 4 countries covered.
How do I address Sidonia in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Sidonia," in English, "Guten Tag Sidonia," in German. Sidonia is a female given name: about 99% of people named Sidonia are women. A quick look at a profile confirms it for certain.
Is Sidonia a unisex name?
Sidonia is not a unisex name: 1% of people named Sidonia are men. Sidonia leans strongly female overall.
Related names
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.
DearWho, "Is Sidonia a male or female name?", https://dearwho.vercel.app/name/sidonia (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_sidonia,
title = {Is Sidonia a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/sidonia},
note = {Data: nam_dict (GFDL), US SSA public domain}
}