diff --git a/Code/Mantid/Framework/ICat/src/ICat4/ICat4Catalog.cpp b/Code/Mantid/Framework/ICat/src/ICat4/ICat4Catalog.cpp
index ca7cd005bf82..ac0026c66d68 100644
--- a/Code/Mantid/Framework/ICat/src/ICat4/ICat4Catalog.cpp
+++ b/Code/Mantid/Framework/ICat/src/ICat4/ICat4Catalog.cpp
@@ -390,7 +390,7 @@ namespace Mantid
       if (outputws->getColumnNames().empty())
       {
         // Add rows headers to the output workspace.
-        outputws->addColumn("str","Investigation id");
+        outputws->addColumn("str","InvestigationID");
         outputws->addColumn("str","Facility");
         outputws->addColumn("str","Title");
         outputws->addColumn("str","Instrument");
diff --git a/Code/Mantid/MantidQt/CustomDialogs/src/CatalogPublishDialog.cpp b/Code/Mantid/MantidQt/CustomDialogs/src/CatalogPublishDialog.cpp
index b5aff51dbab5..b9ba3157cdbe 100644
--- a/Code/Mantid/MantidQt/CustomDialogs/src/CatalogPublishDialog.cpp
+++ b/Code/Mantid/MantidQt/CustomDialogs/src/CatalogPublishDialog.cpp
@@ -75,15 +75,15 @@ namespace MantidQt
       // Populate the form with investigations that the user can publish to.
       for (size_t row = 0; row < workspace->rowCount(); row++)
       {
-        m_uiForm.investigationNumberCb->addItem(QString::fromStdString(workspace->cell<std::string>(row, 0)));
+        m_uiForm.investigationNumberCb->addItem(QString::fromStdString(workspace->getRef<std::string>("InvestigationID",row)));
         // Add better tooltip for ease of use (much easier to recall the investigation if title and instrument are also provided).
         m_uiForm.investigationNumberCb->setItemData(static_cast<int>(row),
-            QString::fromStdString("The title of the investigation is: \"" + workspace->cell<std::string>(row, 1) +
-                                   "\".\nThe instrument of the investigation is: \"" + workspace->cell<std::string>(row, 2)) + "\".",
+            QString::fromStdString("The title of the investigation is: \"" + workspace->getRef<std::string>("Title",row) +
+                                   "\".\nThe instrument of the investigation is: \"" + workspace->getRef<std::string>("Instrument",row)) + "\".",
                                    Qt::ToolTipRole);
         // Set the user role to the sessionID.
         m_uiForm.investigationNumberCb->setItemData(static_cast<int>(row),
-            QString::fromStdString(workspace->cell<std::string>(row, 7)),Qt::UserRole);
+            QString::fromStdString(workspace->getRef<std::string>("SessionID",row)),Qt::UserRole);
       }
     }
 
diff --git a/Code/Mantid/MantidQt/MantidWidgets/src/CatalogSearch.cpp b/Code/Mantid/MantidQt/MantidWidgets/src/CatalogSearch.cpp
index 8ed32fe89ffe..21523c99a81f 100644
--- a/Code/Mantid/MantidQt/MantidWidgets/src/CatalogSearch.cpp
+++ b/Code/Mantid/MantidQt/MantidWidgets/src/CatalogSearch.cpp
@@ -845,8 +845,9 @@ namespace MantidQt
 
       QTableWidget* searchResultsTable = m_icatUiForm.searchResultsTbl;
 
-      // Obtain the investigation id from the selected
-      QTableWidgetItem* investigationId = searchResultsTable->item(item->row(),0);
+      // Obtain the investigationID from the selected
+      QTableWidgetItem* investigationId = searchResultsTable->item(
+          item->row(),headerIndexByName(searchResultsTable,"InvestigationID"));
 
       // Remove previous dataFile search results.
       std::string dataFileResults = "dataFileResults";
@@ -995,14 +996,19 @@ namespace MantidQt
      */
     void CatalogSearch::updateDataFileLabels(QTableWidgetItem* item)
     {
+      QTableWidget* searchResultsTable =  m_icatUiForm.searchResultsTbl;
+
       // Set the "title" label using the data from the investigation results workspace.
-      m_icatUiForm.dataFileTitleRes->setText(m_icatUiForm.searchResultsTbl->item(item->row(),1)->text());
+      m_icatUiForm.dataFileTitleRes->setText(searchResultsTable->item(item->row(),
+          headerIndexByName(searchResultsTable, "Title"))->text());
 
       // Set the instrument label using data from the investigation results workspace.
-      m_icatUiForm.dataFileInstrumentRes->setText(m_icatUiForm.searchResultsTbl->item(item->row(),2)->text());
+      m_icatUiForm.dataFileInstrumentRes->setText(searchResultsTable->item(item->row(),
+          headerIndexByName(searchResultsTable, "Instrument"))->text());
 
       // Show the related "run-range" for the specific dataFiles.
-      m_icatUiForm.dataFileRunRangeRes->setText(m_icatUiForm.searchResultsTbl->item(item->row(),3)->text());
+      m_icatUiForm.dataFileRunRangeRes->setText(searchResultsTable->item(item->row(),
+          headerIndexByName(searchResultsTable, "Run range"))->text());
     }
 
     /**