Given name & surname

Nicolau

Nicolau is a masculine given name from Old Galician-Portuguese, ultimately from Ancient Greek. It is used in Portuguese, Romanian, and Catalan.

Meaning & origin

Where it comes from

In Catalan use, Nicolau shares an earlier linguistic root with Nicholas. An origin associated with Nicholas is Dutch.

Explained through its name family

How it developed

In Catalan usage, Nicolau developed from Νικόλαος.

The story

Published U.S. birth records include this spelling as early as 2018. This is the earliest published observation available here, rather than a date for the name’s origin. In Catalan use, Nicolau shares an earlier linguistic root with Nicholas. The history of Nicholas gives this family its wider story. Nicholas’s Christian associations include Saint Nicholas, a 4th-century bishop of Myra in Lycia, about whom virtually nothing factual is known.

Combines direct and name-family evidence

Nicolau through the years

Babies since 1880
10
10 boys · 0 girls
Most popular year
2018
5 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
—
Too few births to compare
01232025Highest share 20230.0
Nicolau in U.S. Social Security birth records, 2018–2025, per million boys born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

The most recent published U.S. birth count for boys is 5 in 2023. Later missing counts do not mean the name went unused. Published U.S. population figures for this spelling include 131 as a first name in 2020; 514 as a surname in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Nicolau’s family of names

Nicolau shares a linguistic root with Nicholas. In Portuguese usage, Nicolau has a related form in Nicolas. In Portuguese usage, Nicolau has a conventional equivalent in the English form Nicholas.

Walk Nicolau’s family in the name graph

NicolauNicolasNikolasNikolausMicolauNícolasNicholasNikoNikolaosNicolaNilsNikolayNielsNikosMykolaNicolaasNicolaeNicolausNikolajNikolajusNikolazनिक्लांवΝικόλαοςNicolásMikulášМиколаΝίκοςNiccolòMiklósНиколай

Inner ring: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Around the world

Nicolau has relatives in 23 languages.

PortugueseGreekKonkani

20 related names in 23 languages. Point at a dot, or tab to the map and use the arrow keys.

Each dot marks where a language is rooted, not where people with the name live today. Bigger dots hold more names. Dots on the border stand for languages further away. Language locations from Glottolog (CC BY 4.0); map from Natural Earth.

Similar names

If you love Nicolau, these share its style, era, origin or sound, from outside its own family.

Modern

Nikkos

“of the victorious people”

0Not recently recorded

>99% boys

Modern

Nico

“of the victorious people”

74CommonRising fast

97% boys · 3% girls

Modern

Nikshay

0Not recently recorded

>99% boys

Modern

Nirvin

0Not recently recorded

>99% boys

Modern

Nivam

0Not recently recorded

>99% boys

Modern

Ikeni

0Not recently recorded

>99% boys

Modern

Notorious

0Not recently recorded

>99% boys

French · Modern

Rousseau

“a little red-haired boy”

0Not recently recorded

>99% boys

Sibling ideas

Names that share Nicolau’s feel without repeating its first letter or rhyming with it.

A brother for Nicolau

A sister for Nicolau