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Boy's nameOrigin: GermanicMunicipal population recordThis name does not have a nameday in the official SK calendar

Guillermo

[ˈɡuilɛrmɔ]

Guillermo is the traditional Spanish form of the name corresponding to Viliam in Slovak. It sounds distinctive, spirited, and international, while retaining its ancient Germanic meaning associated with will and protection. It is unusual in the Slovak context and its pronunciation may require an explanation.

Name variants

International equivalents and translations

English:
Slovak:
Czech:
German:
Hungarian:
Polish:
Spanish:
Guillermo
French:
Compare this name

Municipal population record

The name is officially recorded in the civil registries and population records of Slovak municipalities. The basic onomastic profile is based on municipal records.

Origin and etymology of the name

Scholarly onomastic and linguistic analysis
Linguistic explanation and meaning

The name expresses strong will, determination, and readiness to protect loved ones.

Detailed Slovak etymology analysis

Španielska podoba germánskeho mena Wilhelm, utvoreného z prvkov willo „vôľa, túžba“ a helm „prilba, ochrana“; významovo teda označuje človeka chráneného pevnou vôľou.

AI assisted in preparing this text. The listed sources support checking individual claims; they do not guarantee expert review of the entire profile or legal eligibility of the name.

International Traveler Index

How easily Guillermo is pronounced abroad, written on tickets, and perceived worldwide

85 / 100Veľmi dobrá medzinárodná adaptabilita
Degree of global adaptability85 %
Passport & airline ticket spelling:

GUILLERMO

100% identical to original form
Script & diacritics:

No diacritics (ASCII)

Universal international spelling
World languages:

Local unique name

Traditional Slavic environment
Travel strengths of this name
  • •Zápis bez diakritiky – 100 % zhodný s medzinárodnými pasmi, letenkami a cudzími klávesnicami.
  • •Univerzálna výslovnosť – neobsahuje zhluky hlások náročné pre cudzincov.
  • •Má ekvivalent v susedných stredoeurópskych kalendároch.
What to keep in mind abroad
  • •Dlhšie meno (4 slabiky) môže byť v rýchlej medzinárodnej komunikácii skracované.

Name days and calendars

Dates in Slovak and international calendars

This name does not have a nameday in the official SK calendar

Pronunciation and phonetic note:[ˈɡuilɛrmɔ]

Španielska výslovnosť približne: gi-jer-mo; v niektorých oblastiach gi-žer-mo.

Grammar & Cases

Overview of grammatical cases for greetings, cards, and official use
Syllable count: 3
1. Nominative:Who, what?
Guillermo
2. Genitive:Of whom, of what?
Guillerma
3. Dative:To whom, to what?
Guillermovi
4. Accusative:Whom, what?
Guillerma
5. Vocative (address):Direct address
Guillermo!
6. Locative:About whom, about what?
Guillermovi
7. Instrumental:With whom, with what?
Guillermom

Diminutives and pet forms

Affectionate and family nicknames
Domestic forms, nicknames and diminutives:
GuilleGuilliGuillermitoMemo
Formal address:Official correspondence and formal occasions
Dear Mr. Guillermo
Familiar address (intimate form):Addressing family and friends
Guillermo! Guille! Guilli!

Test how Guillermo sounds with your surname

Acoustic analyzer evaluates pronunciation fluency and syllable rhythm.

Supports compound surnames (e.g. Smith-Jones)

Full name:

Guillermo Smith

4 + 1 = 5 syllables

90 / 100Excellent
ID
Initials / monogram:with dots:G.S.without dots:GS
What works about this combination:
  • The combination has a balanced rhythm and clear sound transitions.

Names like Guillermo

Names with similar sound rhythm, origin, and style

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