The Mortier surname
In the 2010 U.S. Census, 415 people carried this name — #50,362 among all U.S. surnames, about 1 in every 714,300 people counted. That is down 7% from 446 in 2000.
Where the name comes from
The origin of the Mortier surname
Most prevalent in Nord department of France.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Mortier» (French), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Belgium’s population register
At least 3,472 people named Mortier live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in East Flanders.
Where it concentrates, on the mapWhere they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 2,630 people named Mortier.
70 of them were born outside France. Those born in France came from 76 départements, most often Nord.
Where it concentrates, on the mapWhere they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Switzerland’s population statistics
55 people named Mortier live in Switzerland.
They live in 8 of Switzerland’s 26 cantons, most of all in Vaud.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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 Argentina’s national register
At least 42 people named Mortier 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 Buenos Aires Province.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
Who carried it
People named Mortier,
with a public archive behind them.
-
Antoine Charles Joseph Mortier 1730–1808 · politician -
Édouard Adolphe Casimir Joseph Mortier 1768–1835 · military personnel -
Napoléon Mortier de Trévise 1804–1869 · politician -
Pieter Mortier I 1661–1711 · art dealer
-
Cornelis Mortier 1699–1783 · writer
-
Pierre Mortier-Duparc 1748–1834 · politician
Wikidata and Wikimedia Commons (CC0).
Nearby in the index
Surnames next to Mortier.
- Morra 1,175 · U.S. census
- Morreale 2,149 · U.S. census
- Morris 318,884 · U.S. census
- Morsch 533 · U.S. census
- Mort 2,762 · U.S. census
- Mortel 318 · U.S. census
- Morton 59,213 · U.S. census
- Mortz 112 · U.S. census
- Moruzzi 243 · U.S. census
- Morvan 316 · U.S. census
- Morvant 1,431 · U.S. census
- Mory 437 · U.S. census
When the index is not enough
This page says where Mortier 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.