The Morais surname
In the 2010 U.S. Census, 3,381 people carried this name — #9,611 among all U.S. surnames, about 1 in every 87,000 people counted. That is up 59% from 2,123 in 2000.
In Argentina’s national register
At least 1,461 people named Morais live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Misiones.
Where it concentrates, on the mapWhere they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In Switzerland’s population statistics
1,106 people named Morais live in Switzerland.
They live in 23 of Switzerland’s 26 cantons, most of all in Vaud.
Where it concentrates, on the mapWhere they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
In France’s civil register
France’s register of deaths holds 281 people named Morais.
Most of them — 192 — were born outside France. Those born in France came from 34 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
21 people named Morais 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).
In print
Morais in American newspapers,
1878–1963.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 15,531 pages in all carry the name.
Who carried it
People named Morais,
with a public archive behind them.
-
Inácio do Nascimento de Morais Cardoso 1811–1883 · Catholic priest -
Sabato Morais 1823–1897 · rabbi -
João Pedro Carvalho de Morais 1831–1878 · politician -
Joaquim Taibner de Morais 1840–1904 · politician -
José Estêvão de Morais Sarmento 1843–1930 · politician
Wikidata and Wikimedia Commons (CC0) · 199 lives in all are documented under this name.
Nearby in the index
Surnames next to Morais.
- Mor 822 · U.S. census
- Mora 57,464 · U.S. census
- Morabito 2,678 · U.S. census
- Moraes 963 · U.S. census
- Morain 536 · U.S. census
- Moraine 158 · U.S. census
- Moral 653 · U.S. census
- Morales 311,777 · U.S. census
- Moran 88,615 · U.S. census
- Morana 281 · U.S. census
- Morancy 215 · U.S. census
- Morand 753 · U.S. census
When the index is not enough
This page says where Morais 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.