The current Gothic Revival church building was built in 1872 and added to the National Register of Historic Places in 1980.

[1] A parish of the Episcopal Diocese of Louisiana, St. Mary's also maintains the historic Trowbridge House just across the street.

It was deemed "significant in the area of architecture as a fine example of a mid-nineteenth century Gothic Revival church.

Although this was a style for church architecture which flourished in the eastern states, St. Mary's is one of only about 12 extant good examples in Louisiana.

[2] St. Mary's Church holds regular Christian formation programs and Sunday worship at 10:30.