Nicolau
Meaning
victory of the people (Portuguese form of the Italian Niccolò)
Sources list Nicolau among the forms of Nicholas (Catalan · Galician · Portuguese).
Popularity, 1890–2024
Nicolau does not appear in US Social Security baby-name records, which list only names given to at least five babies in a year. There is no popularity curve to chart: a genuinely rare pick.
See popularity in Brazil
Popularity in Brazil
5,941 people · the #2,430 first name in Brazil · about 1 in 34,483 · median age 62
Among people named Nicolau living in Brazil at the 2022 census, more were born in the 1950s than in any other decade.
The census also counted 46 born between 2020 and August 2022, too recent a span to chart.
Source: IBGE, Censo Demográfico 2022
The Nicolau deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Nicolau truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Nicolau fits with your family’s names and surname.
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