The Sap surname
In the 2010 U.S. Census, 119 people carried this name — #140,157 among all U.S. surnames, about 1 in every 2,500,000 people counted. That is up 12% from 106 in 2000.
In Belgium’s population register
At least 267 people named Sap 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 West Flanders.
Where it concentrates, on the mapWhere they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In Poland’s population register
140 people named Sap have a registered home in Poland.
Of the 153 in Poland’s national register, these are the ones with a permanent address on file. They live in 7 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.
In France’s civil register
France’s register of deaths holds 126 people named Sap.
10 of them were born outside France. Those born in France came from 20 départements, most often Nord.
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 52 people named Sap 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 Entre Ríos.
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.
Who carried it
People named Sap,
with a public archive behind them.
-
Gustave Sap 1886–1940 · politician -
Anna Sap 1787–1857 · landlord
-
Cécile Sap 1922–2001 · chief officer
-
Carla Sap 1962– · photographer
-
Jolande Sap 1963– · politician
Wikidata and Wikimedia Commons (CC0).
Nearby in the index
Surnames next to Sap.
- Santos 137,232 · U.S. census
- Santucci 3,278 · U.S. census
- Santus 105 · U.S. census
- Santy 621 · U.S. census
- Sanz 1,847 · U.S. census
- Saoud 275 · U.S. census
- Sapia 533 · U.S. census
- Sapin 174 · U.S. census
- Sapone 386 · U.S. census
- Saporito 1,452 · U.S. census
- Saporta 135 · U.S. census
- Sappe 171 · U.S. census
When the index is not enough
This page says where Sap 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.