Louis A. Martinet: The Lawyer Behind the Fight That Became Plessy v. Ferguson

The Lawyer Who Organized the Fight Against Segregation

Before Thurgood Marshall, before the NAACP, before Brown v. Board of Education, there was Louis A. Martinet — a Creole lawyer, newspaper editor, and legislator from New Orleans who spent his life building the legal and intellectual framework for fighting racial segregation. He lost the biggest case of his career. But the strategy he pioneered would eventually win the war.

Martinet was born in 1849 in St. Martinville, Louisiana, in the heart of Cajun country. His parents were part of the free people of color community, that unique Louisiana population that existed between the hard lines of Black and white that defined the rest of the South. He came of age during the Civil War and Reconstruction, and he dove into politics immediately. By 1872, at just twenty-three years old, he was serving in the Louisiana House of Representatives, representing St. Martin Parish.

After leaving the legislature, Martinet did something remarkable — he went back to school. He earned admission to the Louisiana bar in 1875, then got his law degree from Straight University Law School in 1876. Later, he would also earn a medical degree from Flint Medical College in New Orleans, because apparently being a lawyer, legislator, and newspaper editor wasn't enough for one lifetime.

It was the newspaper that became his most powerful weapon. In 1889, Martinet founded The Crusader, a New Orleans newspaper that became the voice of the Creole civil rights community. The Crusader didn't just report the news — it made arguments. It challenged the creeping tide of Jim Crow legislation that was rolling across the South in the years after Reconstruction ended. It reminded its readers that they had rights, that those rights were being stolen, and that they had a duty to fight back.

When Louisiana passed the Separate Car Act in 1890, requiring racial segregation on railroad cars, Martinet and The Crusader went to war. He became one of the driving forces behind the Comité des Citoyens — the Citizens' Committee — a group of prominent Creole and Black New Orleanians who decided to mount a legal challenge to the law. The committee included C.C. Antoine, the former lieutenant governor, and Rodolphe Desdunes, the writer and activist. Together, they developed a strategy that was audacious in its simplicity: find someone to deliberately violate the law, get arrested, and fight the case all the way to the Supreme Court.

That someone was Homer Plessy, a shoemaker who was one-eighth Black and could easily pass for white — which was exactly the point. If the state couldn't tell who was Black and who was white by looking, then the whole system of racial classification was exposed as the arbitrary nonsense it was. On June 7, 1892, Plessy boarded a whites-only car on the East Louisiana Railroad, was arrested as planned, and the case began its march through the courts.

Martinet and the Comité hired Albion Tourgée, a white lawyer and former carpetbagger, to argue the case before the Supreme Court. The arguments were sophisticated — they challenged segregation on Thirteenth and Fourteenth Amendment grounds and argued that racial classification itself was a form of property taking. But in 1896, the Supreme Court ruled against them, 7-1. Justice Henry Billings Brown wrote that segregation was constitutional as long as facilities were equal. Justice John Marshall Harlan's famous dissent — that the Constitution is color-blind — wouldn't become law for another fifty-eight years.

The loss of Plessy v. Ferguson devastated the movement. The Crusader ceased publication that same year. Jim Crow settled over the South like a fog that wouldn't lift for generations. But Martinet kept working. He maintained his notarial practice in New Orleans until his death in 1917, and he never stopped believing that the legal system could be used to achieve justice — even when the evidence suggested otherwise.

Today, the Louis A. Martinet Legal Society in New Orleans works to promote Black judicial representation in the city, carrying on the legacy of a man who understood that the courtroom was a battlefield. Martinet didn't live to see his side win. But the legal strategy he helped develop — the test case, the deliberate violation, the constitutional challenge — became the blueprint that the next generation of civil rights lawyers used to tear down everything Plessy had built. He lost the battle. His intellectual heirs won the war.