The Siebert surname
In the 2000 U.S. Census, 6,734 people carried this name — #4,791 among all U.S. surnames, about 1 in every 40,000 people counted.
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In Poland’s population register
561 people named Siebert have a registered home in Poland.
Of the 700 in Poland’s national register, these are the ones with a permanent address on file. They live in 12 of Poland’s 16 voivodeships, most of all in Pomeranian.
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 France’s civil register
France’s register of deaths holds 538 people named Siebert.
43 of them were born outside France. Those born in France came from 33 départements, most often Moselle.
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.
Nearby in the index
Surnames next to Siebert.
- Sider 512 · U.S. census
- Sidi 149 · U.S. census
- Sidibe 231 · U.S. census
- Sidler 517 · U.S. census
- Sie 294 · U.S. census
- Sieber 2,651 · U.S. census
- Siedel 216 · U.S. census
- Siefer 296 · U.S. census
- Siefert 1,911 · U.S. census
- Sieffert 250 · U.S. census
- Sieg 2,018 · U.S. census
- Siegel 21,725 · U.S. census
When the index is not enough
This page says where Siebert 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.