Irish Channel St. Patrick's Day Parade is Saturday March 14th. It is a huge event that is NOT very child friendly. The Chloe Hotel is convenient to this parade. See route here. https://www.stpatricksdayneworleans.com/icp.html
This parade takes place March 15th in the suburbs. For the route use this link https://www.stpatricksdaymetairie.com/ Contact Mary for logistics assistance on this one.
This is really a huge can't miss it kind of event. Aside from Mardi Gras Day, the most significant day for the Mardi Gras Indians is their Super Sunday. Again, contact Mary for help with logistics. https://www.mardigrasneworleans.com/history/mardi-gras-indians/super-sunday
St. Joseph Altars are wonderful. Visiting these is a very local and hard to navigate tradition but here are last years websites. It's a quiet, religious community tradition. https://www.neworleans.com/events/holidays-seasonal/saint-josephs-day/ https://nolacatholic.org/stjosephaltars