Sanmartin surname: U.S. census count, rank and records | FamilyCrests

The Sanmartin surname

In the 2010 U.S. Census, 2,121 people carried this name — #14,160 among all U.S. surnames, about 1 in every 138,900 people counted. That is up 46% from 1,456 in 2000.

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In Argentina’s national register

At least 280 people named Sanmartin 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 map

Where they live today

Buenos Aires Province 148
City of Buenos Aires 80
Santa Fe 35
Misiones 17

RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.

In France’s civil register

France’s register of deaths holds 145 people named Sanmartin.

43 of them were born outside France. Those born in France came from 16 départements, most often Bouches-du-Rhône.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they were born

Born outside France 43
Bouches-du-Rhône 20
Haute-Garonne 20
Pyrénées-Orientales 15
Gironde 8
Var 7
Hautes-Pyrénées 5
Aude 5
Tarn 4

Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.

In Switzerland’s population statistics

52 people named Sanmartin live in Switzerland.

They live in 7 of Switzerland’s 26 cantons, most of all in Bern.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

Bern 16
Vaud 11
Zurich 8
Geneva 6
Solothurn 5
Fribourg 3
Graubünden 3

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.

Who carried it

People named Sanmartin,
with a public archive behind them.

  • Raul SanMartin 1968– · chemist
  • Chiara Sanmartin 1982– · biotechnologist
  • Chiara Sanmartin 1982–
  • Reiver Sanmartin 1996– · baseball player
  • João Moreira 2004– · association football player
  • Camila Sanmartin 2004– · basketball player

Wikidata (CC0).

Nearby in the index

Surnames next to Sanmartin.

When the index is not enough

This page says where Sanmartin 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.

See what a volume holds
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