The Sena surname
In the 2010 U.S. Census, 7,597 people carried this name — #4,669 among all U.S. surnames, about 1 in every 38,800 people counted. That is up 11% from 6,825 in 2000.
In Argentina’s national register
At least 17,140 people named Sena 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
194 people named Sena live in Switzerland.
They live in 15 of Switzerland’s 26 cantons, most of all in Zurich.
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 58 people named Sena.
17 of them were born outside France. Those born in France came from 13 départements, most often Pyrénées-Atlantiques.
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.
Who carried it
People named Sena,
with a public archive behind them.
-
Antonio Maria de Sena 1845–1890 · physician -
Heraclio Sena 1888– · writer -
Ernesto Sena de Oliveira 1892–1972 · Catholic priest -
Bienvenido Sena 1901– · comedian -
Adalberto Correia Sena 1901–1982 · politician
Wikidata and Wikimedia Commons (CC0) · 54 lives in all are documented under this name.
Nearby in the index
Surnames next to Sena.
- Semel 447 · U.S. census
- Semerdjian 193 · U.S. census
- Semin 131 · U.S. census
- Semon 1,638 · U.S. census
- Semper 434 · U.S. census
- Sen 3,059 · U.S. census
- Senac 149 · U.S. census
- Senart 111 · U.S. census
- Senat 807 · U.S. census
- Senatore 896 · U.S. census
- Senay 402 · U.S. census
- Sender 719 · U.S. census
When the index is not enough
This page says where Sena 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.