boy's name

Nicholaus

  • Gender Boy
  • Letters 9
  • Popularity Rare
  • Births on record 3,308

Nicholaus is a boy's name. In 2025 it was given to 5 babies in the United States. It is a rare choice.

  • Peaked in 1981, when 168 babies were given the name.
  • It has been falling over the past decade.
  • Today about 1 in 663,130 babies in the United States is given this name.
  • First appears in US birth records in 1950.

Nicholaus over time

Births per decade in the United States, 1950s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.

1,155
'50 '60 '70 '80 '90 '00 '10 '20
Show the numbers
Births named Nicholaus by decade in the United States
Decade Births
1950s 14
1960s 30
1970s 462
1980s 1,155
1990s 969
2000s 468
2010s 124
2020s (to 2025) 38

How popular is Nicholaus?

In 2025, Nicholaus was given to 5 babies in the United States. It is a rare choice.

Where Nicholaus is used

Canada #2,258 5 in 2002
United States #13,031 5 in 2025

The bar shows how near the top of each country's list the name sits, on a scale where #1 fills the row and #1,000 is a sliver. The figures beside it are the real rank and the babies recorded that year.

US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.

Names that peaked alongside Nicholaus

These names rose and fell in the same era, which is why they tend to sound like they belong together.

Parents who like Nicholaus also like

Names whose popularity has risen and fallen in step with Nicholaus over the last century — the same taste, a different name.

Sibling names for Nicholaus

Names from the same era that won't rhyme or share an initial with Nicholaus — the two things that make a sibling set grate.

Common questions about Nicholaus

How popular is the name Nicholaus?

In 2025, Nicholaus was given to 5 babies in the United States. It is a rare choice.

Is Nicholaus a girl's or a boy's name?

Nicholaus is given almost entirely to boys in birth records.

When was Nicholaus most popular?

Nicholaus peaked in 1981, when 168 babies were given the name. It has been falling over the past decade.

Is Nicholaus a good name?

That is not something records can settle, but they can tell you what you would be choosing. Nicholaus currently ranks #13,031 in the United States. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.