De Lassus is an
unincorporated community
An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...
in
St. Francois County
St. Francois County () is a county located in the Lead Belt region in the U.S. state of Missouri. As of the 2020 census, the population was 66,922. The largest city and county seat is Farmington. The county was officially organized on Decem ...
, in the
U.S. state of
Missouri
Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...
. Much of the community has been annexed by
Farmington
Farmington may refer to:
Places Canada
*Farmington, British Columbia
*Farmington, Nova Scotia (disambiguation)
United States
* Farmington, Arkansas
*Farmington, California
* Farmington, Connecticut
*Farmington, Delaware
* Farmington, Georgia
...
.
History
De Lassus was
plat
In the United States, a plat ( or ) (plan) is a cadastral map, drawn to scale, showing the divisions of a piece of land. United States General Land Office surveyors drafted township plats of Public Lands Surveys to show the distance and bear ...
ted in 1869 when the railroad was extended to that point.
A post office called Delassus was established in 1870, and remained in operation until 1915.
The community has the name of Charles de Hault de Lassus, a
Spanish colonial official.
De Lassus can be found in the 1876 edition of The Monitor Guide to Post Offices and Railroad Stations in the United States and Canada, page 61.
References
Unincorporated communities in St. Francois County, Missouri
Unincorporated communities in Missouri
{{StFrancoisCountyMO-geo-stub