DearWho
DearWho

Sietse

Sietse 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.

MaleLow

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

We have limited data on this name. Treat the verdict as a lead, not a certainty.

Verdict
Male
Confidence
Low (source weight below 8; not an accuracy rate)
High source frequency in
Netherlands
Data
nam_dict (GFDL) + US SSA
Dataset built
2026-09-11

How to address Sietse

If you do not know Sietse’s preferred form of address, use a greeting without Mr or Ms: “Dear Sietse,” in English, “Guten Tag Sietse,” 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 Sietse,

German

Guten Tag Sietse,

French

Bonjour Sietse,

Spanish

Estimado/a Sietse:

Chinese

Sietse您好:

Japanese

Sietse様

English

Hi Sietse,

German

Hi Sietse,

French

Salut Sietse,

Spanish

Hola Sietse,

Chinese

Sietse你好:

Japanese

Sietse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 Sietse by country (nam_dict and US SSA; not a survey of today’s population)
CountryHow commonUsually
Netherlandsrareman's name

Frequently asked questions

Is Sietse a male or female name?

Sietse 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 Sietse in an email?

If you do not know Sietse’s preferred form of address, use a greeting without Mr or Ms: “Dear Sietse,” in English, “Guten Tag Sietse,” 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 Sietse a unisex name?

Sietse 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.

Cite this page

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

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