The Lortz surname
In the 2010 U.S. Census, 673 people carried this name — #33,810 among all U.S. surnames, about 1 in every 434,800 people counted. That is down 3% from 693 in 2000.
In France’s civil register
France’s register of deaths holds 66 people named Lortz.
1 of them were born outside France. Those born in France came from 6 départements, most often Bas-Rhin.
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 Poland’s population register
45 people named Lortz have a registered home in Poland.
Of the 52 in Poland’s national register, these are the ones with a permanent address on file. They live in 2 of Poland’s 16 voivodeships, most of all in 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.
Who carried it
People named Lortz,
with a public archive behind them.
-
Joseph Lortz 1887–1975 · Catholic priest
-
Helmut Lortz 1920–2007 · graphic designer
-
Dietrich Lortz 1935–2013 · physicist
-
Roland Lortz 1937–2007 · weightlifter
-
Frank Lortz 1953– · politician
Wikidata (CC0).
Nearby in the index
Surnames next to Lortz.
When the index is not enough
This page says where Lortz 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.