Holy Sepulchre Catholic Cemetery was the first cemetery to open after World War I, when Mount Olivet Cemetery\'s space began to diminish. Holy Sepulchre was the first major cemetery to open with provisions that future care costs would be included in the purchase price of all graves, and the first to establish the policy of Lawn Level Grave Markers. Catholic Cemetery of Archdiocese of Chicago Map of cemetery at least 30,260 memorials. http://www.catholiccemeterieschicago.org/Documents/pdf/locations/Holy%20Sepulchre%20Planograph.pdf CEMETERY GROUNDS October 16 - February 28 Mon - Sun 8:00 am - 5:00 pm March 1 - October 15 Mon - Sun 8:00 am - 7:00 pm Genealogical Sources http://www.catholiccemeterieschicago.org/Resources/Genealogical_Sources