The Cap surname
In the 2010 U.S. Census, 865 people carried this name — #27,783 among all U.S. surnames, about 1 in every 344,800 people counted. That is up 1% from 856 in 2000.
What the name means
The meaning of the Cap surname
From čáp (“stork”).
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Čáp» (Czech), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Poland’s population register
716 people named Cap have a registered home in Poland.
Of the 818 in Poland’s national register, these are the ones with a permanent address on file. They live in 14 of Poland’s 16 voivodeships, most of all in Subcarpathian.
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 300 people named Cap.
25 of them were born outside France. Those born in France came from 38 départements, most often Finistère.
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.
In Belgium’s population register
At least 256 people named Cap 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 East 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 Argentina’s national register
At least 55 people named Cap 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 Switzerland’s population statistics
44 people named Cap live in Switzerland.
They live in 5 of Switzerland’s 26 cantons, most of all in Zurich.
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/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Cap.
- Cantrelle 652 · U.S. census
- Canty 8,047 · U.S. census
- Canu 153 · U.S. census
- Canuel 290 · U.S. census
- Canuto 520 · U.S. census
- Cao 18,138 · U.S. census
- Capaldi 939 · U.S. census
- Caparros 198 · U.S. census
- Capasso 2,053 · U.S. census
- Capdevila 189 · U.S. census
- Capdeville 202 · U.S. census
- Cape 2,609 · U.S. census
When the index is not enough
This page says where Cap 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.