Louisa
Louisa is a female given name: 100% of people named Louisa are women, and it is recorded as female in 8 of the 8 countries covered.
- Verdict
- Female
- Male / female split
- 0% male / 100% female
- Confidence
- High (64 or more weighted country observations)
- Most common in
- United States, Belgium, Great Britain
- US births since 1880
- 5 male / 18,828 female
- Data
- nam_dict (GFDL) + US SSA
- Updated
- 2026-09-11
How to address Louisa
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Louisa," in English, "Guten Tag Louisa," in German. Louisa is a female given name: about 100% of people named Louisa are women. A quick look at a profile confirms it for certain.
Ready-made greetings in six languages
English
Dear Louisa,
German
Guten Tag Louisa,
French
Bonjour Louisa,
Spanish
Estimado/a Louisa:
Chinese
Louisa您好：
Japanese
Louisa様
English
Hi Louisa,
German
Hi Louisa,
French
Salut Louisa,
Spanish
Hola Louisa,
Chinese
Louisa你好：
Japanese
Louisa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 | common | woman's name | 0% |
| Belgium | uncommon | woman's name | 2% |
| Great Britain | uncommon | woman's name | 2% |
| Switzerland | rare | woman's name | 2% |
| France | rare | woman's name | 2% |
| Ireland | rare | woman's name | 2% |
| Iceland | rare | woman's name | 2% |
| Malta | rare | woman's name | 2% |
United States birth data
5 male · 18,828 female · 18,833 births recorded
Since 1980: 0% male.
Frequently asked questions
Is Louisa a male or female name?
Louisa is a female given name: 100% of people named Louisa are women, and it is recorded as female in 8 of the 8 countries covered.
How do I address Louisa in an email?
When you do not know their gender for certain, the full name with no title is the safe choice: "Dear Louisa," in English, "Guten Tag Louisa," in German. Louisa is a female given name: about 100% of people named Louisa are women. A quick look at a profile confirms it for certain.
Is Louisa a unisex name?
Louisa is not a unisex name: 0% of people named Louisa are men. Louisa 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 Louisa a male or female name?", https://dearwho.vercel.app/name/louisa (accessed 2026-09-11). Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_louisa,
title = {Is Louisa a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://dearwho.vercel.app/name/louisa},
note = {Data: nam_dict (GFDL), US SSA public domain}
}