The Lacosse surname
In the 2000 U.S. Census, 563 people carried this name — #37,266 among all U.S. surnames, about 1 in every 476,200 people counted.
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In France’s civil register
France’s register of deaths holds 140 people named Lacosse.
Those born in France came from 11 départements, most often Lot-et-Garonne.
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.
Nearby in the index
Surnames next to Lacosse.
- Lachmann 203 · U.S. census
- Lack 2,739 · U.S. census
- Lacombe 4,253 · U.S. census
- Lacome 105 · U.S. census
- Lacore 186 · U.S. census
- Lacorte 1,025 · U.S. census
- Lacoste 2,130 · U.S. census
- Lacour 3,585 · U.S. census
- Lacourt 345 · U.S. census
- Lacouture 417 · U.S. census
- Lacquement 176 · U.S. census
- Lacroix 7,606 · U.S. census
When the index is not enough
This page says where Lacosse 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.