The Ada surname
In the 2010 U.S. Census, 526 people carried this name — #41,359 among all U.S. surnames, about 1 in every 555,600 people counted. That is up 49% from 353 in 2000.
In Argentina’s national register
At least 71 people named Ada 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 France’s civil register
France’s register of deaths holds 59 people named Ada.
Most of them — 31 — were born outside France. Those born in France came from 7 départements, most often Martinique.
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 Switzerland’s population statistics
54 people named Ada live in Switzerland.
They live in 5 of Switzerland’s 26 cantons, most of all in Solothurn.
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.
In Belgium’s population register
At least 28 people named Ada 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 Limburg.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In the Nordic population registers
70 people named Ada 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).
Who carried it
People named Ada,
with a public archive behind them.
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Celâl Ada 1901– · taekwondo athlete
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İhsan Ada 1919–1998 · politician
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İhsan Ada 1919–1998 · politician
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Gordon Ada 1922–2012 · microbiologist
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Alfons Ada Bringueret 1929–2024 · chronicler
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Alma Flor Ada 1938– · writer
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Ada.
- Acker 10,519 · U.S. census
- Ackermann 2,499 · U.S. census
- Acosta 103,418 · U.S. census
- Acquaviva 837 · U.S. census
- Acquistapace 237 · U.S. census
- Actis 189 · U.S. census
- Adam 13,574 · U.S. census
- Adamczak 553 · U.S. census
- Adamczyk 2,828 · U.S. census
- Adamek 1,307 · U.S. census
- Adami 796 · U.S. census
- Adamiak 346 · U.S. census
When the index is not enough
This page says where Ada 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.