The Lotz surname
In the 2010 U.S. Census, 3,852 people carried this name — #8,551 among all U.S. surnames, about 1 in every 76,300 people counted. That is down 1% from 3,905 in 2000.
In France’s civil register
France’s register of deaths holds 540 people named Lotz.
19 of them were born outside France. Those born in France came from 28 départements, most often Bas-Rhin.
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 Poland’s population register
142 people named Lotz have a registered home in Poland.
Of the 163 in Poland’s national register, these are the ones with a permanent address on file. They live in 11 of Poland’s 16 voivodeships, most of all in Lower Silesian.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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 Switzerland’s population statistics
126 people named Lotz live in Switzerland.
They live in 14 of Switzerland’s 26 cantons, most of all in Basel-Landschaft.
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 125 people named Lotz 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 the Nordic population registers
25 people named Lotz 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
Lotz in American newspapers,
1910–1928.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 25,249 pages in all carry the name.
Who carried it
People named Lotz,
with a public archive behind them.
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Károly Lotz 1833–1904 · painter -
Johann Friedrich Eusebius Lotz 1770–1838 · jurist
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Johann Friedrich Eusebius Lotz 1771–1838 · jurist
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Georg Lotz 1784–1844 · writer
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Johann Lotz 1820–1908 · mayor
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Johann Albert Lotz 1820–1905
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Lotz.
When the index is not enough
This page says where Lotz 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.