The Marengo surname
In the 2000 U.S. Census, 690 people carried this name — #31,658 among all U.S. surnames, about 1 in every 384,600 people counted.
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In France’s civil register
France’s register of deaths holds 171 people named Marengo.
50 of them were born outside France. Those born in France came from 24 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
34 people named Marengo live in Switzerland.
They live in 5 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 Marengo.
- Maree 411 · U.S. census
- Marek 7,517 · U.S. census
- Marelli 300 · U.S. census
- Marenco 1,178 · U.S. census
- Marenda 106 · U.S. census
- Marenghi 161 · U.S. census
- Mares 12,041 · U.S. census
- Maresca 1,806 · U.S. census
- Mareschal 109 · U.S. census
- Maret 526 · U.S. census
- Marette 104 · U.S. census
- Marez 2,773 · U.S. census
When the index is not enough
This page says where Marengo 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.