The Gaia surname
In the 2000 U.S. Census, 261 people carried this name — #70,052 among all U.S. surnames, about 1 in every 1,000,000 people counted.
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In France’s civil register
France’s register of deaths holds 67 people named Gaia.
19 of them were born outside France. Those born in France came from 12 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
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Switzerland’s population statistics
51 people named Gaia live in Switzerland.
They live in 3 of Switzerland’s 26 cantons, most of all in Ticino.
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 · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Gaia.
- Gagner 1,534 · U.S. census
- Gagnet 124 · U.S. census
- Gagnier 1,049 · U.S. census
- Gagnon 20,567 · U.S. census
- Gago 583 · U.S. census
- Gai 377 · U.S. census
- Gaida 426 · U.S. census
- Gaide 133 · U.S. census
- Gaido 122 · U.S. census
- Gail 1,129 · U.S. census
- Gaillard 2,304 · U.S. census
- Gailliard 298 · U.S. census
When the index is not enough
This page says where Gaia 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.