She was traveling from New Orleans to Pointe Coupee Parish, where she owned a sugar plantation.

The Supreme Court held that the Louisiana statute authorizing a damages award to Decuir unconstitutionally interfered with interstate commerce.

The majority opinion, by Morrison Waite, sought to avoid conflicting state laws with regard to interstate transit.

Hall marked the beginning of a phase in Supreme Court jurisprudence that reached its nadir in Plessy v. Ferguson.

In Pennoyer v. Neff, 95 U.S. 714 (1878), the Supreme Court held that a state court can only exert personal jurisdiction over a party domiciled out-of-state if that party is served with process while physically present within the state.