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Lucius

Lucius is classified as a male given name in our dataset. A first name alone does not establish someone’s gender or preferred form of address.

MaleHigh

Confidence describes the weight of the source data, not a measured accuracy rate.

Verdict
Male
Confidence
High (source weight of at least 64; not an accuracy rate)
High source frequency in
United States, Switzerland, Slovakia
US records 1880–2017
8,899 male / 0 female
Data
nam_dict (GFDL) + US SSA
Dataset built
2026-09-11

How to address Lucius

If you do not know Lucius’s preferred form of address, use a greeting without Mr or Ms: “Dear Lucius,” in English, “Guten Tag Lucius,” in German. Include their family name if you know it. The name’s classification describes its usage. Follow the form of address the person uses for themselves.

Ready-made greetings in six languages

English

Dear Lucius,

German

Guten Tag Lucius,

French

Bonjour Lucius,

Spanish

Estimado/a Lucius:

Chinese

Lucius您好：

Japanese

Lucius様

English

Hi Lucius,

German

Hi Lucius,

French

Salut Lucius,

Spanish

Hola Lucius,

Chinese

Lucius你好：

Japanese

Lucius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

Classification of Lucius by country (nam_dict and US SSA; not a survey of today’s population)
CountryHow commonUsually
United Statescommonman's name
Switzerlandrareman's name
Slovakiarareman's name

United States birth data

8,899 male · 0 female · 8,899 births recorded

Male ≈ 100%Female ≈ 0%

Records from 1980–2017: 100% male.

Frequently asked questions

Is Lucius a male or female name?

Lucius is classified as a male given name in our dataset. A first name alone does not establish someone’s gender or preferred form of address.

How do I address Lucius in an email?

If you do not know Lucius’s preferred form of address, use a greeting without Mr or Ms: “Dear Lucius,” in English, “Guten Tag Lucius,” in German. Include their family name if you know it. The name’s classification describes its usage. Follow the form of address the person uses for themselves.

Is Lucius a unisex name?

Lucius is classified as generally male in the combined dataset. This does not rule out other uses. Our categories describe the sources, rather than a complete survey of everyone with this name.

Related names

MariaFemaleAnnaFemaleMarieFemalePeterMaleJeanDepends on the countryAlexanderMaleDavidMaleJoseMale

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 (1880–2017), public domain. Classifications are not measured accuracy rates. Method: how we classify names. Full dataset: data & licences. US source data (babynames). Dataset built 2026-09-11; this is not a new collection date for the source records.

Cite this page

DearWho, "Is Lucius a male or female name?", https://www.dearwho.app/name/lucius. Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.

BibTeX
@misc{dearwho_lucius,
  title  = {Is Lucius a male or female name?},
  author = {{DearWho}},
  year   = {2026},
  url    = {https://www.dearwho.app/name/lucius},
  note   = {Data: nam_dict (GFDL), US SSA public domain}
}