Rollo
Rollo 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, East Frisia
- US records 1880–2017
- 876 male / 0 female
- Data
- nam_dict (GFDL) + US SSA
- Dataset built
- 2026-09-11
How to address Rollo
If you do not know Rollo’s preferred form of address, use a greeting without Mr or Ms: “Dear Rollo,” in English, “Guten Tag Rollo,” 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 Rollo,
German
Guten Tag Rollo,
French
Bonjour Rollo,
Spanish
Estimado/a Rollo:
Chinese
Rollo您好：
Japanese
Rollo様
English
Hi Rollo,
German
Hi Rollo,
French
Salut Rollo,
Spanish
Hola Rollo,
Chinese
Rollo你好：
Japanese
Rollo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 |
| East Frisia | rare | man's name |
United States birth data
876 male · 0 female · 876 births recorded
Records from 1980–2017: 100% male.
Frequently asked questions
Is Rollo a male or female name?
Rollo 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 Rollo in an email?
If you do not know Rollo’s preferred form of address, use a greeting without Mr or Ms: “Dear Rollo,” in English, “Guten Tag Rollo,” 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 Rollo a unisex name?
Rollo 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 Rollo a male or female name?", https://www.dearwho.app/name/rollo. Data: nam_dict (J. Michael, GFDL) and US SSA, built 2026-09-11.
BibTeX
@misc{dearwho_rollo,
title = {Is Rollo a male or female name?},
author = {{DearWho}},
year = {2026},
url = {https://www.dearwho.app/name/rollo},
note = {Data: nam_dict (GFDL), US SSA public domain}
}