Jefferey
Jefferey 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.
Confidence describes the weight of the source data, not a measured accuracy rate.
- Verdict
- Male
- Confidence
- Medium (source weight 8 to 63; not an accuracy rate)
- High source frequency in
- United States
- US records 1880–2017
- 3,963 male / 0 female
- Data
- nam_dict (GFDL) + US SSA
- Dataset built
- 2026-09-11
How to address Jefferey
If you do not know Jefferey’s preferred form of address, use a greeting without Mr or Ms: “Dear Jefferey,” in English, “Guten Tag Jefferey,” 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 Jefferey,
German
Guten Tag Jefferey,
French
Bonjour Jefferey,
Spanish
Estimado/a Jefferey:
Chinese
Jefferey您好：
Japanese
Jefferey様
English
Hi Jefferey,
German
Hi Jefferey,
French
Salut Jefferey,
Spanish
Hola Jefferey,
Chinese
Jefferey你好：
Japanese
Jefferey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 |
|---|---|---|
| United States | uncommon | man's name |
United States birth data
3,963 male · 0 female · 3,963 births recorded
Records from 1980–2017: 100% male.
Frequently asked questions
Is Jefferey a male or female name?
Jefferey 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 Jefferey in an email?
If you do not know Jefferey’s preferred form of address, use a greeting without Mr or Ms: “Dear Jefferey,” in English, “Guten Tag Jefferey,” 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 Jefferey a unisex name?
Jefferey 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
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.
DearWho, "Is Jefferey a male or female name?", https://www.dearwho.app/name/jefferey. Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_jefferey,
title = {Is Jefferey a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://www.dearwho.app/name/jefferey},
note = {Data: nam_dict (GFDL), US SSA public domain}
}