The Nicolaou surname
In the 2010 U.S. Census, 414 people carried this name — #50,467 among all U.S. surnames, about 1 in every 714,300 people counted. That is up 4% from 399 in 2000.
In France’s civil register
France’s register of deaths holds 71 people named Nicolaou.
14 of them were born outside France. Those born in France came from 13 départements, most often Paris.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In the Nordic population registers
24 people named Nicolaou is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown).
Nearby in the index
Surnames next to Nicolaou.
- Nickler 124 · U.S. census
- Nickles 4,634 · U.S. census
- Nico 321 · U.S. census
- Nicol 5,012 · U.S. census
- Nicola 1,971 · U.S. census
- Nicolai 2,017 · U.S. census
- Nicolas 9,006 · U.S. census
- Nicolau 389 · U.S. census
- Nicolay 863 · U.S. census
- Nicolazzi 134 · U.S. census
- Nicole 464 · U.S. census
- Nicoleau 141 · U.S. census
When the index is not enough
This page says where Nicolaou is.
A volume says what happened to it.
Every page in the index is free and stays free. The Heritage Volume is the long form: the full paper trail, the arms, the crossing — bound, and yours.