Flag of the San Patricios
When I did the book, Brothers of the Sacred Heart in New Orleans (it's a history of St. Aloysius, Cor Jesu, and Brother Martin High Schools), one of the images I included was a 1869 illustration of a house on the corner of Barracks and Chartres Streets. The house was originally the officers' quarters for the Spanish Army. When Louisiana was returned to France/sold to America, the Spanish gave a lot of their property to the Church. By 1869, this house, owned by the archbishop, was loaned to the BOSH, and that's where they started St. Aloysius.
After the book was done, I kept having dreams about an Irishman walking down the front steps of that house, heading into the Quarter to do business. I kept seeing him in different places, to the point where a story idea began to form. I'd been reading The Rogue's March by Peter F. Stevens, about the San Patricios, the Irishmen in the American Army who deserted to fight for Mexico in the US-Mexican War. A backstory began to form.
By the time Louisiana secedes from the Union in 1861, a young man who was a drummer for the San Patricios in 1847 would be 25 or 26. His loyalties would be mixed, since many of the officers who fought Mexico were now in command posts on both sides of the Civil War. And off the idea went!
This story is going to take longer than my fantasy fiction. I'm reading a ton of stuff to make sure I have the historical facts straight, as I tell the story of the 15ish months New Orleans was not part of the United States, through this guy's eyes. I'll post occasional thoughts and updates about it all here.