The Kaluza surname
In the 2010 U.S. Census, 679 people carried this name — #33,567 among all U.S. surnames, about 1 in every 434,800 people counted. That is down 1% from 686 in 2000.
Where the name comes from
The origin of the Kaluza surname
From Polish kałuża or Slovene kaluža.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Kaluza» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Poland’s population register
7,745 people named Kaluza have a registered home in Poland.
Of the 9,050 in Poland’s national register, these are the ones with a permanent address on file. They live in all 16 of Poland’s voivodeships, most of all in Silesian.
Where it concentrates, on the mapWhere they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
In France’s civil register
France’s register of deaths holds 103 people named Kaluza.
29 of them were born outside France. Those born in France came from 19 départements, most often Nord.
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 Argentina’s national register
At least 72 people named Kaluza 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.
In Switzerland’s population statistics
21 people named Kaluza live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in Zurich.
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 the Nordic population registers
44 people named Kaluza 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).
Who carried it
People named Kaluza,
with a public archive behind them.
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Augustin Kaluza 1776–1836 · teacher
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Max Kaluza 1856–1921 · university teacher
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Ida Kaluza 1883–1940
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Theodor Kaluza 1885–1954 · mathematician
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Theodor Kaluza 1885–1954 · mathematician
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Theodor Kaluza 1885–1954 · mathematician
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Kaluza.
- Kalita 460 · U.S. census
- Kalk 573 · U.S. census
- Kalmes 322 · U.S. census
- Kaloustian 279 · U.S. census
- Kalt 513 · U.S. census
- Kaltenbach 1,348 · U.S. census
- Kaluzny 435 · U.S. census
- Kam 3,749 · U.S. census
- Kamal 2,623 · U.S. census
- Kamara 6,288 · U.S. census
- Kamel 1,477 · U.S. census
- Kaminska 316 · U.S. census
When the index is not enough
This page says where Kaluza 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.