The Luisi surname
In the 2000 U.S. Census, 1,139 people carried this name — #21,406 among all U.S. surnames, about 1 in every 238,100 people counted.
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In France’s civil register
France’s register of deaths holds 86 people named Luisi.
30 of them were born outside France. Those born in France came from 12 départements, most often Corsica.
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
33 people named Luisi live in Switzerland.
They live in 4 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 Luisi.
- Ludwig 21,994 · U.S. census
- Luengo 115 · U.S. census
- Lugan 176 · U.S. census
- Luginbuhl 399 · U.S. census
- Lugue 187 · U.S. census
- Luis 6,845 · U.S. census
- Luiz 1,490 · U.S. census
- Lujan 18,892 · U.S. census
- Lukas 4,175 · U.S. census
- Lukasik 1,615 · U.S. census
- Lukaszewski 604 · U.S. census
- Lukic 455 · U.S. census
When the index is not enough
This page says where Luisi 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.