The Sac surname
In the 2000 U.S. Census, 122 people carried this name — #128,797 among all U.S. surnames, about 1 in every 2,000,000 people counted.
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In Poland’s population register
154 people named Sac have a registered home in Poland.
Of the 174 in Poland’s national register, these are the ones with a permanent address on file. They live in 8 of Poland’s 16 voivodeships, most of all in Podlaskie.
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 132 people named Sac.
2 of them were born outside France. Those born in France came from 23 départements, most often Drôme.
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 Belgium’s population register
At least 58 people named Sac live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Luxembourg Province.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In Switzerland’s population statistics
52 people named Sac live in Switzerland.
They live in 5 of Switzerland’s 26 cantons, most of all in Graubünden.
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 · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Sac.
- Sabon 132 · U.S. census
- Sabot 251 · U.S. census
- Sabourin 1,445 · U.S. census
- Sabre 177 · U.S. census
- Sabri 339 · U.S. census
- Saby 121 · U.S. census
- Saccardi 112 · U.S. census
- Sacchetti 904 · U.S. census
- Sacchi 344 · U.S. census
- Sacco 7,008 · U.S. census
- Saccoccio 470 · U.S. census
- Saccone 914 · U.S. census
When the index is not enough
This page says where Sac 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.