Both the University of the Incarnate Word and the San Antonio Conservation Society list 32.

[4][5] By far, the largest burial ground in the complex is the San Antonio National Cemetery, approximately one square block in size.

It was created in 1867, when the City of San Antonio parceled off a plot of land from its municipal cemetery and donated it to the Federal Government.

It is believed that older graves predating the American Civil War were also moved to the cemetery, as private monuments.

Thirteen Congressional Medal of Honor recipients, four of whom are buried as "unknown soldiers", rest in the cemetery.