From the record
“Mary's School is a historic Roman Catholic school building in Wilmington, New Castle County, Delaware. It was built in 1866 to serve children of parishioners of the adjacent St.”
Wikipedia article St. Mary's School (Wilmington, Delaware), CC BY-SA 4.0.
One of 411 National Register listings published here for New Castle County · listed in 1983 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article



