Nicolaus Boy
How popular is Nicolaus?
Peaked in 1998
No babies were recorded with the name Nicolaus in 2025. It was most used in 1998, when 47 boys got the name.
1,102living people named Nicolaus (est.)
31median age of people named Nicolaus
1,141babies named Nicolaus since 1880
Nicolaus popularity over time
| Rank in 2025 | Not ranked |
|---|---|
| Babies in 2025 | 0 boys |
| 10-year trend | Falling fast (-100% babies vs 2015) |
| Peak year | 1998 (47 boys) |
| Highest rank | #1,821 in 1983 |
| First recorded | 1971 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
Nicolaus counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Nikolaos family of names ranked #1,632 for boys in 2025 (#1,670 the year before), with 81 babies in all.
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Nicolaus by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1970s | 101 | #1,867 |
| 1980s | 270 | #1,821 |
| 1990s | 374 | #1,859 |
| 2000s | 266 | #2,515 |
| 2010s | 115 | #4,845 |
| 2020s | 15 | #8,250 |
Questions
- Is Nicolaus a boy or girl name?
- Nicolaus is mostly a boy name. Over the last 10 years, 100% of babies named Nicolaus were boys.
- How popular is the name Nicolaus?
- No babies were recorded with the name Nicolaus in 2025. It was most used in 1998, when 47 boys got the name.
- When was Nicolaus most popular?
- Nicolaus peaked in 1998, when 47 boys were given the name. Its highest rank was #1,821 in 1983.
- How many people are named Nicolaus?
- 1,141 babies have been named Nicolaus in the US since 1880. We estimate about 1,102 of them are alive in 2026, with a median age of 31.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.