The Catholic Cemeteries in the Trinity Cluster are separate civil corporations from the parishes and each incorporated under the Iowa code 504A.
The Catholic Cemetery Associations are directed by a Board of Directors, charged with the management of the temporal affairs of the cemeteries in accord with the Roman Catholic Ritual, the Code of Canon Law, the Ordinary of the Archdiocese of Dubuque and such rules and regulations that might be prescribed by the Archdiocesan Director of Cemeteries of the Archdiocese of Dubuque, in order to provide a suitable place of burial for members of the parishes, families and friends.
St. Patrick Catholic Cemetery Association, Monona, Iowa, a corporation formed under Iowa code chapter 504A was incorporated on December 22, 1999.
Since 2018, the St. Patrick, St. Wenceslaus and Pioneer Cemeteries merged into one single Civil Corporation under St. Patrick Cemetery Association in Monona, Iowa.
St. Mary Catholic Cemetery Association, McGregor, Iowa, a corporation formed under Iowa Code chapter 504A was incorporated on December 22, 1999.