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2025 data, released 8 May 2026

2025 data, released 8 May 2026

Nicolaus

Nicolaus was not among the names given to 5 or more boys in 2025. Its best year was 1983, when it ranked 1851st; the most babies were born in 1998 (47). More babies were named Nicolaus in the 1990s than in any other decade.

Meaning Not yet researched how we research meanings

Rank in 2025
Not rankedboys
Babies in 2025
0boys
Girls and boys
Almost always a boy’s name2021–2025
Peak year
199847 babies
Total since 1880
1,141babies recorded

Nicolaus popularity since 1880

012.52537.550 1900192019401960198020002020
Boys Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.
YearRank (boys)Babies (boys)
2025——
2020#11,5816
2010#4,97719
2000#2,78733
1990#2,00438
1980#1,89630
1970——
1960——
1950——
1940——
1930——
1920——
1910——
1900——
1890——
1880——

How popular is Nicolaus, counting every spelling?

Nicolaus is a spelling of Nikolaus, a name family that had 24 boys in 2025 across its spellings. Together these spellings went to 24 boys in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Nikolaus24#4,346127

Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.

How old are people named Nicolaus?

About 1,100 people born in the US named Nicolaus are alive today, with a median age of 31; half are between 23 and 39. That makes Nicolaus mostly worn by adults in their thirties to fifties.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Nicolaus by state

How common Nicolaus was among boys born in each state in 1996–2000, around its peak. It is notably more common than nationally in California (1.9×). In 50 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.

Alaska: fewer than 5 a yearAK–Maine: fewer than 5 a yearME–Wisconsin: fewer than 5 a yearWI–Vermont: fewer than 5 a yearVT–New Hampshire: fewer than 5 a yearNH–Washington: fewer than 5 a yearWA–Idaho: fewer than 5 a yearID–Montana: fewer than 5 a yearMT–North Dakota: fewer than 5 a yearND–Minnesota: fewer than 5 a yearMN–Illinois: fewer than 5 a yearIL–Michigan: fewer than 5 a yearMI–New York: fewer than 5 a yearNY–Massachusetts: fewer than 5 a yearMA–Oregon: fewer than 5 a yearOR–Nevada: fewer than 5 a yearNV–Wyoming: fewer than 5 a yearWY–South Dakota: fewer than 5 a yearSD–Iowa: fewer than 5 a yearIA–Indiana: fewer than 5 a yearIN–Ohio: fewer than 5 a yearOH–Pennsylvania: fewer than 5 a yearPA–New Jersey: fewer than 5 a yearNJ–Connecticut: fewer than 5 a yearCT–Rhode Island: fewer than 5 a yearRI–California: 0.04 per 1,000 babiesCA0.04Utah: fewer than 5 a yearUT–Colorado: fewer than 5 a yearCO–Nebraska: fewer than 5 a yearNE–Missouri: fewer than 5 a yearMO–Kentucky: fewer than 5 a yearKY–West Virginia: fewer than 5 a yearWV–Virginia: fewer than 5 a yearVA–Maryland: fewer than 5 a yearMD–Delaware: fewer than 5 a yearDE–Arizona: fewer than 5 a yearAZ–New Mexico: fewer than 5 a yearNM–Kansas: fewer than 5 a yearKS–Arkansas: fewer than 5 a yearAR–Tennessee: fewer than 5 a yearTN–North Carolina: fewer than 5 a yearNC–South Carolina: fewer than 5 a yearSC–District of Columbia: fewer than 5 a yearDC–Oklahoma: fewer than 5 a yearOK–Louisiana: fewer than 5 a yearLA–Mississippi: fewer than 5 a yearMS–Alabama: fewer than 5 a yearAL–Georgia: fewer than 5 a yearGA–Hawaii: fewer than 5 a yearHI–Texas: fewer than 5 a yearTX–Florida: fewer than 5 a yearFL–
Babies per 1,000 of the same sex, Nicolaus, boys, 1996–2000. Darker means more common.

Names with a similar history

These names rose and fell in step with Nicolaus: their share of US boys followed the most similar curve since 1880. If you like Nicolaus, they share its era and feel.

Questions about the name Nicolaus

How popular is the name Nicolaus?

Nicolaus was not among the names given to 5 or more boys in 2025. Its best year was 1983, when it ranked 1851st; the most babies were born in 1998 (47). More babies were named Nicolaus in the 1990s than in any other decade.

Is Nicolaus a boy or girl name?

In 2021–2025, almost always a boy’s name given the name Nicolaus in the US.

Where was Nicolaus most popular?

In 1996–2000, Nicolaus was most common in California (0.04 per 1,000 boys).