The Pires surname
In the 2010 U.S. Census, 5,746 people carried this name — #5,986 among all U.S. surnames, about 1 in every 51,300 people counted. That is up 21% from 4,733 in 2000.
In Argentina’s national register
At least 2,669 people named Pires 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.
Where it concentrates, on the mapWhere 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
1,611 people named Pires live in Switzerland.
They live in 21 of Switzerland’s 26 cantons, most of all in Vaud.
Where it concentrates, on the mapWhere 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.
In France’s civil register
France’s register of deaths holds 1,043 people named Pires.
Most of them — 680 — were born outside France. Those born in France came from 60 départements, most often Paris.
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 the Nordic population registers
21 people named Pires is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown).
In print
Pires in American newspapers,
1872–1917.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 575,513 pages in all carry the name.
Who carried it
People named Pires,
with a public archive behind them.
-
Tomé Pires 1465–1540 · writer -
Manuel Pires de Azevedo Loureiro 1777–1848 · Catholic priest -
Garcia Pires 1840–1917 · politician -
Antônio Joaquim Pires de Carvalho e Albuquerque, barão de Vila Viçosa 1841–1915 · writer -
Deocleciano Pires Teixeira 1844–1930 · physician
Wikidata and Wikimedia Commons (CC0) · 266 lives in all are documented under this name.
Nearby in the index
Surnames next to Pires.
When the index is not enough
This page says where Pires 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.