By act of 3/15/1813 the Legislature established the court of the parish of New Orleans having civil jurisdiction within Orleans Parish concurrent with that of the District Court of the First Judicial District. The Parish Court also had the same criminal jurisdiction over slaves as had been enjoyed by the City Court of New Orleans prior to 1813.

A single appointed judge presided over the Parish Court. That officer also served ex-officio as the judge of the Court of Probates for New Orleans (this was changed by legislative act of 3/9/1836, whereby a judge was to be appointed to serve exclusively as judge of the probate court) and as president of the Police Jury of Orleans Parish as well. He was to call court into session on the first Monday of each month and to hold court until the business of the term was concluded. The judge was further allowed to adjourn the court during the months of August, September, and October, "in case of epidemic disorders.:

Following adoption of the Constitution of 1845 the Legislature established a new court system in 1846. Under the new arrangement the Parish Court ceased to exist. Its pending cases were transferred to the new Third District Court of New Orleans.