Boy Name · English Origin
Nicolaus
Nicolaus is a boy baby name of English origin, meaning "Full of grace". It currently sits in the Rare tier of US baby names for 2026, and parents who love Nicolaus often also consider Nikolaus.
Nicolaus meaning, origin, and usage
Meaning: Full of grace
Origin: English naming roots help connect Nicolaus to related English baby names.
Pronunciation: Baby Name Studio pronounces Nicolaus as N·I·C·O·L·A·U·S, with 8 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Nicolaus is an uncommon, standout choice in the Rare tier.
Nicolaus variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Nicolausa, Nicolause, Nicolausy, Nicolau.
- Nicknames: Nico and N.
- Middle names: Pair Nicolaus with a middle name that balances its substantial sound; start with the Nicolaus middle name generator.
- Sibling names: Nikolaus, Nicholaus, Nickolaus, Nicklaus, Nikolaos — full picks on the sibling names for Nicolaus guide for a cohesive sibset.
- Similar names: Looking for names that sound like Nicolaus? Browse our names like Nicolaus 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 Nicolaus
What does the name Nicolaus mean?
Nicolaus means "Full of grace" and is of English origin.
What is the origin of Nicolaus?
Nicolaus originates in English naming tradition.
How do you pronounce Nicolaus?
Nicolaus has 8 letters and is most commonly stressed on the first syllable.
Is Nicolaus a boy's or girl's name?
Nicolaus is primarily used as a boy's name in US records.
How popular is Nicolaus in 2026?
In our 2026 popularity tracker, Nicolaus sits in the Rare tier — an uncommon, standout choice.
What names are similar to Nicolaus?
Names that share Nicolaus's sound and style include Nikolaus, Nicholaus, Nickolaus, Nicklaus, Nikolaos.
What middle names pair well with Nicolaus?
Good middle-name fits for Nicolaus pair an opposite syllable rhythm: if Nicolaus is short, lean longer (e.g. classical or three-syllable middles); if Nicolaus is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Nicolaus?
Sibling names that pair naturally with Nicolaus share its rhythm without rhyming — Nikolaus, Nicholaus, Nickolaus all sit comfortably alongside it on a shortlist.