The Sitz surname
In the 2010 U.S. Census, 1,156 people carried this name — #22,301 among all U.S. surnames, about 1 in every 256,400 people counted. That is up 3% from 1,117 in 2000.
In France’s civil register
France’s register of deaths holds 129 people named Sitz.
1 of them were born outside France. Those born in France came from 10 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 Argentina’s national register
At least 42 people named Sitz 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 Poland’s population register
39 people named Sitz have a registered home in Poland.
Of the 54 in Poland’s national register, these are the ones with a permanent address on file. They live in 5 of Poland’s 16 voivodeships, most of all in Greater Poland.
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 Sitz,
with a public archive behind them.
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Peter Sitz 1938–2013 · mining engineer
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Hermann Sitz 1949– · jurist
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Carole Marie Elise Sitz 1985– · basketball player
Wikidata (CC0).
Nearby in the index
Surnames next to Sitz.
- Sisti 730 · U.S. census
- Sitarz 363 · U.S. census
- Sitko 1,014 · U.S. census
- Sitter 1,019 · U.S. census
- Sitterle 108 · U.S. census
- Sittler 339 · U.S. census
- Sivard 120 · U.S. census
- Siwek 708 · U.S. census
- Six 3,497 · U.S. census
- Skalecki 252 · U.S. census
- Skalski 944 · U.S. census
- Skiba 2,700 · U.S. census
When the index is not enough
This page says where Sitz 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.