Washington in St. Landry Parish, Louisiana — The American South (West South Central)

Etienne De La Morandiere

c. 1830

Photographed by Cajun Scrambler, April 6, 2024

1. Etienne De La Morandiere Marker

Inscription. 509 N. St, John

Francois Corso, who also built and owned the Steamboat Warehouse, built this home.

Topics. This historical marker is listed in these topic lists: Architecture • Industry & Commerce.

Location. 30° 37.042′ N, 92° 3.42′ W. Marker is in Washington, Louisiana, in St. Landry Parish. It is at the intersection of St. John Street and Sittig Street, on the right when traveling north on St. John Street. Touch for map. Marker is at or near this postal address: 509 St John Street, Washington LA 70589, United States of America. Touch for directions.

Regionally, this marker is in Louisiana’s Acadiana — Cajun Country.

It is also in the American South

and specifically in the Deep South.

Globally, it is in North America,

a Gulf of Mexico state,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once New Spain,

Acadia,

the territory of the Mississippian Culture,

the Louisiana Purchase,

one of the Confederate States of America,

and the Antebellum South.

Other nearby markers. At least 8 other

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markers are within walking distance of this marker: Demaret House (within shouting distance of this marker); Steamboat Warehouse (about 300 feet away, measured in a direct line); Jacob Plonsky House (about 300 feet away); Carron House (about 400 feet away); Washington Museum (about 400 feet away); Landreneau House (about 400 feet away); Carel Wolff Medical Bldg. / Thrifty Way Pharmacy (about 500 feet away); Town of Washington Steamboat Whistle (about 500 feet away). Touch for a list and map of all markers in Washington.

Additional commentary.
1. This home in Washington, LA
My grandparents, Norma and James Allen Anderson, lived here in retirement from the late 1940’s to the 1960’s. I often visited with my family. They were my dad’s parents. All treasured memories.

—Lawford Anderson
Professor of Earth Science
Department of Earth and Environment
Boston University

— Submitted July 14, 2025, by James Lawford Anderson of Boston, Massachusetts.

Photographed by Cajun Scrambler, April 6, 2024

2. Etienne De La Morandiere Marker

Credits. This page was last revised on July 23, 2025. It was originally submitted on April 8, 2024, by Cajun Scrambler of Assumption, Louisiana. This page has been viewed 381 times since then and 42 times this year. Photos: 1, 2. submitted on April 8, 2024, by Cajun Scrambler of Assumption, Louisiana.