Calvary Cemetery is on the west side of O'Neill in Holt County, immediately south of O'Neill Public Cemetery. It is the Catholic burial ground for the parish. For burial records or plot inquiries, contact St. Patrick's Catholic Church in O'Neill.

The pin on this listing is an estimate rather than a surveyed position. It is placed immediately south of O'Neill Public Cemetery, whose position we do hold, because that is how the ground is described. It has not been checked on the map yet.