Girl Name · Germanic Origin
Guillermina
Guillermina — a girl name from the Germanic tradition — is an uncommon, standout choice. Its meaning, "Resolute protector", anchors the name in something deeper than sound alone. If Guillermo is on your shortlist, Guillermina belongs in the same conversation.
Guillermina meaning, origin, and usage
Meaning: Resolute protector
Origin: Germanic naming roots help connect Guillermina to related Germanic baby names.
Pronunciation: Baby Name Studio pronounces Guillermina as G·U·I·L·L·E·R·M·I·N·A, with 11 letters and a girl usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Guillermina is an uncommon, standout choice in the Rare tier.
Guillermina variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Guillerminaa, Guillerminae, Guillerminay, Guillermin.
- Nicknames: Guille and G.
- Middle names: Pair Guillermina with a middle name that balances its substantial sound; start with the Guillermina middle name generator.
- Sibling names: Guillermo, Gillermo, Georgianna, Georgeanna, Glenna — full picks on the sibling names for Guillermina guide for a cohesive sibset.
- Similar names: Looking for names that sound like Guillermina? Browse our names like Guillermina guide for phonetic-neighbor picks.
- Explore more: use the Baby Name Explorer, name search, AI name generator, and Baby Name Studio homepage.
Frequently asked about Guillermina
What does the name Guillermina mean?
Guillermina means "Resolute protector" and is of Germanic origin.
What is the origin of Guillermina?
Guillermina originates in Germanic naming tradition.
How do you pronounce Guillermina?
Guillermina has 11 letters and is most commonly stressed on the first syllable.
Is Guillermina a boy's or girl's name?
Guillermina is primarily used as a girl's name in US records.
How popular is Guillermina in 2026?
In our 2026 popularity tracker, Guillermina sits in the Rare tier — an uncommon, standout choice.
What names are similar to Guillermina?
Names that share Guillermina's sound and style include Guillermo, Gillermo, Georgianna, Georgeanna, Glenna.
What middle names pair well with Guillermina?
Good middle-name fits for Guillermina pair an opposite syllable rhythm: if Guillermina is short, lean longer (e.g. classical or three-syllable middles); if Guillermina is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Guillermina?
Sibling names that pair naturally with Guillermina share its rhythm without rhyming — Guillermo, Gillermo, Georgianna all sit comfortably alongside it on a shortlist.