Tiernan
Tiernan is classified as a mostly 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
- Mostly male
- Confidence
- Medium (source weight 8 to 63; not an accuracy rate)
- High source frequency in
- United States, Great Britain, Ireland
- US records 1880–2017
- 1,246 male / 190 female
- Data
- nam_dict (GFDL) + US SSA
- Dataset built
- 2026-09-11
How to address Tiernan
If you do not know Tiernan’s preferred form of address, use a greeting without Mr or Ms: “Dear Tiernan,” in English, “Guten Tag Tiernan,” 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 Tiernan,
German
Guten Tag Tiernan,
French
Bonjour Tiernan,
Spanish
Estimado/a Tiernan:
Chinese
Tiernan您好：
Japanese
Tiernan様
English
Hi Tiernan,
German
Hi Tiernan,
French
Salut Tiernan,
Spanish
Hola Tiernan,
Chinese
Tiernan你好：
Japanese
Tiernan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 |
| Great Britain | rare | man's name |
| Ireland | rare | man's name |
United States birth data
1,246 male · 190 female · 1,436 births recorded
Records from 1980–2017: 86.8% male.
Frequently asked questions
Is Tiernan a male or female name?
Tiernan is classified as a mostly 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 Tiernan in an email?
If you do not know Tiernan’s preferred form of address, use a greeting without Mr or Ms: “Dear Tiernan,” in English, “Guten Tag Tiernan,” 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 Tiernan a unisex name?
Tiernan 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 Tiernan a male or female name?", https://www.dearwho.app/name/tiernan. Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_tiernan,
title = {Is Tiernan a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://www.dearwho.app/name/tiernan},
note = {Data: nam_dict (GFDL), US SSA public domain}
}