Laplace surname: U.S. census count, rank and records | FamilyCrests

The Laplace surname

In the 2010 U.S. Census, 533 people carried this name — #40,909 among all U.S. surnames, about 1 in every 555,600 people counted. That is up 3% from 518 in 2000.

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Where the name comes from

The origin of the Laplace surname

A surname from French, famously held by.

Ancient Greek πλᾰτεῖᾰ (plăteîă)bor. Latin platēa Old French place French place French Laplacebor. English Laplace Borrowed from French Laplace.

From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Laplace» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.

In France’s civil register

France’s register of deaths holds 3,202 people named Laplace.

66 of them were born outside France. Those born in France came from 93 départements, most often Pyrénées-Atlantiques.

Where it concentrates, on the map

Where they were born

Born outside France 66
Pyrénées-Atlantiques 413
Paris 207
Haute-Savoie 204
Aisne 203
Rhône 158
Allier 144
Guadeloupe 109
Gironde 104

Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.

In Argentina’s national register

At least 392 people named Laplace 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.

Where it concentrates, on the map

Where they live today

Buenos Aires Province 295
City of Buenos Aires 47
Santa Fe 29
Santiago del Estero 11
Mendoza 10

RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.

In Switzerland’s population statistics

56 people named Laplace live in Switzerland.

They live in 6 of Switzerland’s 26 cantons, most of all in Geneva.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

Geneva 33
Fribourg 6
Vaud 6
Basel-Landschaft 4
Zurich 4
Bern 3

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 Belgium’s population register

At least 39 people named Laplace 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 West Flanders.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

West Flanders 21
Hainaut 11
Liège 7

Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.

Who carried it

People named Laplace,
with a public archive behind them.

  • Pierre-Simon Laplace
    Pierre-Simon Laplace 1749–1827 · astronomer
  • Otto Laplace d. 1940 · entomologist
  • Louis Laplace 1848– · priest
  • Gaston Laplace 1885–1917 · printmaker
  • Jacques Laplace 1890–1955 · painter
  • Jean Laplace 1911–2006 · Catholic theologian

Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.

Nearby in the index

Surnames next to Laplace.

When the index is not enough

This page says where Laplace 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.

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