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

The Declerck surname

In the 2010 U.S. Census, 485 people carried this name — #44,356 among all U.S. surnames, about 1 in every 625,000 people counted. That is up 2% from 476 in 2000.

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In Belgium’s population register

At least 3,446 people named Declerck 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.

Where it concentrates, on the map

Where they live today

West Flanders 2,416
East Flanders 397
Flemish Brabant 218
Antwerp 179
Brussels-Capital 76
Hainaut 53
Limburg 45
Namur 24

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 1,304 people named Declerck.

38 of them were born outside France. Those born in France came from 38 départements, most often Nord.

Where it concentrates, on the map

Where they were born

Born outside France 38
Nord 863
Pas-de-Calais 180
Paris 52
Oise 19
Seine-Maritime 18
Somme 18
Yvelines 15
Indre-et-Loire 14

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

In print

Declerck in American newspapers,
1910–1914.

Newspaper page from Rock Island Argus carrying the name Declerck
Rock Island Argus 1910-12-21
Newspaper page from The Pleasantville Press carrying the name Declerck
The Pleasantville Press 1914-08-15
Newspaper page from Rock Island Argus carrying the name Declerck
Rock Island Argus 1914-03-21

Chronicling America, Library of Congress — digitised newspapers in the public domain · 463 pages in all carry the name.

Who carried it

People named Declerck,
with a public archive behind them.

  • Marie-Thérèse Declerck
    Marie-Thérèse Declerck 1848–1922 · resistance fighter
  • Honoré Declerck 1765–1843 · politician
  • Jean-Baptiste-Théodore Declerck 1766–1844 · receiver general of finances
  • Alberic Declerck 1869–1949 · Catholic priest
  • Richard Declerck 1899–1986 · judge
  • Paul Declerck 1922–1981 · historian

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

Nearby in the index

Surnames next to Declerck.

When the index is not enough

This page says where Declerck 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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