diff --git a/gramps/gui/managedwindow.py b/gramps/gui/managedwindow.py
index a5b842f2e..2b9cfca88 100644
--- a/gramps/gui/managedwindow.py
+++ b/gramps/gui/managedwindow.py
@@ -336,7 +336,7 @@ class ManagedWindow:
 
         from .managedwindow import ManagedWindow
         class SomeWindowClass(ManagedWindow):
-            def __init__(self, uistate, dbstate, track, modal):
+            def __init__(self, uistate, track, obj, modal):
                 window_id = self        # Or e.g. window_id = person.handle
                 ManagedWindow.__init__(self,
                                        uistate,
@@ -354,10 +354,11 @@ class ManagedWindow:
         :param track:    {list of parent windows, [] if the main GRAMPS window
                             is the parent}
         :param obj:      The object that is used to id the managed window,
-                            The inheriting object needs a method build_menu_names(self, obj)
+                            The inheriting object needs a method
+                            build_menu_names(self, obj)
                             which works on this obj and creates menu labels
                             for use in the Gramps Window Menu.
-                            If self.submenu_label ='' then leaf, otherwise branch
+                            If self.submenu_label ='' then leaf, else branch
         :param modal:    True/False, if True, this window is made modal
                             (always on top, and always has focus).  Any child
                             windows are also automatically made modal by moving
@@ -425,8 +426,10 @@ class ManagedWindow:
         """
         Set the window that is managed.
 
-        :param window:   if isWindow=False window must be a Gtk.Window() object, otherwise None
-        :param title:    a label widget in which to write the title, None if not needed
+        :param window:   if isWindow=False window must be a Gtk.Window() object
+                         (or a subclass such as Gtk.Dialog), otherwise None
+        :param title:    a label widget in which to write the title,
+                         else None if not needed
         :param text:     text to use as title of window and in title param
         :param msg:      if not None, use msg as title of window instead of text
         :param isWindow: {if isWindow than self is the window
diff --git a/gramps/gui/plug/_windows.py b/gramps/gui/plug/_windows.py
index 22b4d269b..ed6bba62a 100644
--- a/gramps/gui/plug/_windows.py
+++ b/gramps/gui/plug/_windows.py
@@ -883,7 +883,7 @@ class ToolManagedWindowBase(ManagedWindow):
     def pre_run(self):
         from ..utils import ProgressMeter
         self.progress = ProgressMeter(self.get_title(),
-                                      parent=self.uistate.window)
+                                      parent=self.window)
 
     def run(self):
         raise NotImplementedError("tool needs to define a run() method")
diff --git a/gramps/plugins/tool/changenames.glade b/gramps/plugins/tool/changenames.glade
index e89e42fa5..6a12129ab 100644
--- a/gramps/plugins/tool/changenames.glade
+++ b/gramps/plugins/tool/changenames.glade
@@ -5,8 +5,6 @@
   <object class="GtkWindow" id="changenames">
     <property name="visible">False</property>
     <property name="can_focus">False</property>
-    <property name="default_width">500</property>
-    <property name="default_height">450</property>
     <signal name="delete-event" handler="on_delete_event" swapped="no"/>
     <child>
       <object class="GtkBox" id="vbox2">
diff --git a/gramps/plugins/tool/changenames.py b/gramps/plugins/tool/changenames.py
index 8c0b65590..e22cd7fe2 100644
--- a/gramps/plugins/tool/changenames.py
+++ b/gramps/plugins/tool/changenames.py
@@ -186,6 +186,7 @@ class ChangeNames(tool.BatchTool, ManagedWindow):
 
         self.list = self.top.get_object("list")
         self.set_window(window,self.top.get_object('title'),self.label)
+        self.setup_configs('interface.changenames', 500, 450)
 
         self.model = Gtk.ListStore(GObject.TYPE_BOOLEAN, GObject.TYPE_STRING,
                                    GObject.TYPE_STRING)
diff --git a/gramps/plugins/tool/changetypes.py b/gramps/plugins/tool/changetypes.py
index 5aa20c54c..bf13bf0f0 100644
--- a/gramps/plugins/tool/changetypes.py
+++ b/gramps/plugins/tool/changetypes.py
@@ -94,6 +94,7 @@ class ChangeTypes(tool.BatchTool, ManagedWindow):
 
         window = self.glade.toplevel
         self.set_window(window,self.glade.get_object('title'),self.title)
+        self.setup_configs('interface.changetypes', 640, 260)
 
         self.glade.connect_signals({
             "on_close_clicked"  : self.close,
diff --git a/gramps/plugins/tool/dumpgenderstats.py b/gramps/plugins/tool/dumpgenderstats.py
index 1be4712d8..fd0dc5844 100644
--- a/gramps/plugins/tool/dumpgenderstats.py
+++ b/gramps/plugins/tool/dumpgenderstats.py
@@ -68,16 +68,16 @@ class DumpGenderStats(tool.Tool, ManagedWindow):
 
             treeview = Gtk.TreeView()
             model = ListModel(treeview, titles)
-            for entry in stats_list:
+            for entry in sorted(stats_list):
                 model.add(entry, entry[0])
 
-            window = Gtk.Window()
-            window.set_default_size(400, 300)
+            window = Gtk.Window() # TODO there needs to be a way to "close" it
             s = Gtk.ScrolledWindow()
             s.add(treeview)
             window.add(s)
             window.show_all()
             self.set_window(window, None, self.label)
+            self.setup_configs('interface.dumpgenderstats', 400, 300)
             self.show()
 
         else:
diff --git a/gramps/plugins/tool/eventcmp.glade b/gramps/plugins/tool/eventcmp.glade
index f047665bd..f0320b0ac 100644
--- a/gramps/plugins/tool/eventcmp.glade
+++ b/gramps/plugins/tool/eventcmp.glade
@@ -4,8 +4,6 @@
   <requires lib="gtk+" version="3.10"/>
   <object class="GtkDialog" id="eventcmp">
     <property name="can_focus">False</property>
-    <property name="default_width">500</property>
-    <property name="default_height">400</property>
     <property name="type_hint">dialog</property>
     <child internal-child="vbox">
       <object class="GtkBox" id="dialog-vbox3">
@@ -139,7 +137,6 @@
   </object>
   <object class="GtkDialog" id="filters">
     <property name="can_focus">False</property>
-    <property name="default_width">400</property>
     <property name="type_hint">dialog</property>
     <child internal-child="vbox">
       <object class="GtkBox" id="dialog-vbox5">
diff --git a/gramps/plugins/tool/eventcmp.py b/gramps/plugins/tool/eventcmp.py
index 052a49c23..23666941a 100644
--- a/gramps/plugins/tool/eventcmp.py
+++ b/gramps/plugins/tool/eventcmp.py
@@ -138,6 +138,7 @@ class EventComparison(tool.Tool,ManagedWindow):
         self.label = _('Event comparison filter selection')
         self.set_window(window,self.filterDialog.get_object('title'),
                         self.label)
+        self.setup_configs('interface.eventcomparison', 640, 220)
 
         self.on_filters_changed('Person')
         uistate.connect('filters-changed', self.on_filters_changed)
@@ -193,7 +194,7 @@ class EventComparison(tool.Tool,ManagedWindow):
             WarningDialog(_("No matches were found"),
                           parent=self.window)
         else:
-            DisplayChart(self.dbstate,self.uistate,plist,self.track)
+            EventComparisonResults(self.dbstate, self.uistate, plist, self.track)
 
 #-------------------------------------------------------------------------
 #
@@ -217,7 +218,7 @@ def fix(line):
 #
 #
 #-------------------------------------------------------------------------
-class DisplayChart(ManagedWindow):
+class EventComparisonResults(ManagedWindow):
     def __init__(self,dbstate,uistate,people_list,track):
         self.dbstate = dbstate
         self.uistate = uistate
@@ -241,6 +242,7 @@ class DisplayChart(ManagedWindow):
         window = self.topDialog.toplevel
         self.set_window(window, self.topDialog.get_object('title'),
                         _('Event Comparison Results'))
+        self.setup_configs('interface.eventcomparisonresults', 750, 400)
 
         self.eventlist = self.topDialog.get_object('treeview')
         self.sort = Sort(self.db)
@@ -307,7 +309,7 @@ class DisplayChart(ManagedWindow):
 
     def build_row_data(self):
         self.progress_bar = ProgressMeter(
-            _('Comparing Events'), '', parent=self.window)
+            _('Comparing Events'), '', parent=self.uistate.window)
         self.progress_bar.set_pass(_('Building data'),len(self.my_list))
         for individual_id in self.my_list:
             individual = self.db.get_person_from_handle(individual_id)
diff --git a/gramps/plugins/tool/finddupes.glade b/gramps/plugins/tool/finddupes.glade
index 0b836f604..5aae1108e 100644
--- a/gramps/plugins/tool/finddupes.glade
+++ b/gramps/plugins/tool/finddupes.glade
@@ -10,7 +10,6 @@
   </object>
   <object class="GtkDialog" id="finddupes">
     <property name="can_focus">False</property>
-    <property name="default_width">350</property>
     <property name="type_hint">dialog</property>
     <signal name="delete-event" handler="on_delete_merge_event" swapped="no"/>
     <child internal-child="vbox">
diff --git a/gramps/plugins/tool/finddupes.py b/gramps/plugins/tool/finddupes.py
index 1cd529bd7..b1ae4d811 100644
--- a/gramps/plugins/tool/finddupes.py
+++ b/gramps/plugins/tool/finddupes.py
@@ -84,7 +84,7 @@ def is_initial(name):
 # The Actual tool.
 #
 #-------------------------------------------------------------------------
-class Merge(tool.Tool,ManagedWindow):
+class DuplicatePeopleTool(tool.Tool, ManagedWindow):
 
     def __init__(self, dbstate, user, options_class, name, callback=None):
         uistate = user.uistate
@@ -124,6 +124,7 @@ class Merge(tool.Tool,ManagedWindow):
         window = top.toplevel
         self.set_window(window, top.get_object('title'),
                         _('Find Possible Duplicate People'))
+        self.setup_configs('interface.duplicatepeopletool', 350, 220)
 
         top.connect_signals({
             "on_do_merge_clicked"   : self.__dummy,
@@ -178,8 +179,9 @@ class Merge(tool.Tool,ManagedWindow):
                 parent=self.window)
         else:
             try:
-                ShowMatches(self.dbstate,self.uistate,self.track,
-                            self.list,self.map,self.update)
+                DuplicatePeopleToolMatches(self.dbstate, self.uistate,
+                                           self.track, self.list, self.map,
+                                           self.update)
             except WindowActiveError:
                 pass
 
@@ -533,7 +535,7 @@ class Merge(tool.Tool,ManagedWindow):
         pass
 
 
-class ShowMatches(ManagedWindow):
+class DuplicatePeopleToolMatches(ManagedWindow):
 
     def __init__(self, dbstate, uistate, track, the_list, the_map, callback):
         ManagedWindow.__init__(self,uistate,track,self.__class__)
@@ -551,6 +553,7 @@ class ShowMatches(ManagedWindow):
         window = top.toplevel
         self.set_window(window, top.get_object('title'),
                         _('Potential Merges'))
+        self.setup_configs('interface.duplicatepeopletoolmatches', 500, 350)
 
         self.mlist = top.get_object("mlist")
         top.connect_signals({
@@ -665,7 +668,7 @@ def get_surnames(name):
 #
 #
 #------------------------------------------------------------------------
-class MergeOptions(tool.ToolOptions):
+class DuplicatePeopleToolOptions(tool.ToolOptions):
     """
     Defines options and provides handling interface.
     """
diff --git a/gramps/plugins/tool/mergecitations.glade b/gramps/plugins/tool/mergecitations.glade
index 074c56fcc..170422ffb 100644
--- a/gramps/plugins/tool/mergecitations.glade
+++ b/gramps/plugins/tool/mergecitations.glade
@@ -10,7 +10,6 @@
   </object>
   <object class="GtkDialog" id="mergecitations">
     <property name="can_focus">False</property>
-    <property name="default_width">350</property>
     <property name="type_hint">dialog</property>
     <signal name="delete-event" handler="on_delete_merge_event" swapped="no"/>
     <child internal-child="vbox">
diff --git a/gramps/plugins/tool/mergecitations.py b/gramps/plugins/tool/mergecitations.py
index e30ca094b..f3567a4b0 100644
--- a/gramps/plugins/tool/mergecitations.py
+++ b/gramps/plugins/tool/mergecitations.py
@@ -131,7 +131,8 @@ class MergeCitations(tool.BatchTool,ManagedWindow):
 #                        _('Merge citations'))
         self.set_window(window, top.get_object('title2'),
                         _("Notes, media objects and data-items of matching "
-                        "citations will be combined."))
+                          "citations will be combined."))
+        self.setup_configs('interface.mergecitations', 700, 230)
 
         top.connect_signals({
             "on_merge_ok_clicked"   : self.on_merge_ok_clicked,
@@ -182,7 +183,7 @@ class MergeCitations(tool.BatchTool,ManagedWindow):
         self.options.handler.save_options()
 
         self.progress = ProgressMeter(_('Checking Sources'), '',
-                                      parent=self.user.uistate.window)
+                                      parent=self.window)
         self.progress.set_pass(_('Looking for citation fields'),
                                self.db.get_number_of_citations())
 
@@ -234,7 +235,7 @@ class MergeCitations(tool.BatchTool,ManagedWindow):
                  ngettext("{number_of} citation merged",
                           "{number_of} citations merged", num_merges
                          ).format(number_of=num_merges),
-                 parent=self.user.uistate.window)
+                 parent=self.window)
         self.close(obj)
 
 #------------------------------------------------------------------------
diff --git a/gramps/plugins/tool/notrelated.glade b/gramps/plugins/tool/notrelated.glade
index a8b5d75a8..ed8302f5d 100644
--- a/gramps/plugins/tool/notrelated.glade
+++ b/gramps/plugins/tool/notrelated.glade
@@ -4,8 +4,6 @@
   <requires lib="gtk+" version="3.10"/>
   <object class="GtkDialog" id="notrelated">
     <property name="can_focus">False</property>
-    <property name="default_width">450</property>
-    <property name="default_height">400</property>
     <property name="type_hint">dialog</property>
     <signal name="delete-event" handler="on_delete_event" swapped="no"/>
     <child internal-child="vbox">
diff --git a/gramps/plugins/tool/notrelated.py b/gramps/plugins/tool/notrelated.py
index 97a66435a..a60eb1353 100644
--- a/gramps/plugins/tool/notrelated.py
+++ b/gramps/plugins/tool/notrelated.py
@@ -93,6 +93,7 @@ class NotRelated(tool.ActivePersonTool, ManagedWindow) :
         window = topDialog.toplevel
         title = topDialog.get_object("title")
         self.set_window(window, title, self.title)
+        self.setup_configs('interface.notrelated', 450, 400)
 
         self.tagcombo = topDialog.get_object("tagcombo")
         tagmodel = Gtk.ListStore(str)
@@ -108,7 +109,7 @@ class NotRelated(tool.ActivePersonTool, ManagedWindow) :
 
         # start the progress indicator
         self.progress = ProgressMeter(self.title, _('Starting'),
-                                      parent=self.window)
+                                      parent=self.uistate.window)
 
         # setup the columns
         self.model = Gtk.TreeStore(
diff --git a/gramps/plugins/tool/ownereditor.glade b/gramps/plugins/tool/ownereditor.glade
index d177926c4..7a4c3ce06 100644
--- a/gramps/plugins/tool/ownereditor.glade
+++ b/gramps/plugins/tool/ownereditor.glade
@@ -35,7 +35,6 @@
   <object class="GtkWindow" id="ownereditor">
     <property name="can_focus">False</property>
     <property name="window_position">center</property>
-    <property name="default_width">500</property>
     <signal name="delete-event" handler="on_delete_event" swapped="no"/>
     <child>
       <object class="GtkEventBox" id="eventbox">
diff --git a/gramps/plugins/tool/ownereditor.py b/gramps/plugins/tool/ownereditor.py
index e554fcfff..90fab537d 100644
--- a/gramps/plugins/tool/ownereditor.py
+++ b/gramps/plugins/tool/ownereditor.py
@@ -100,6 +100,7 @@ class OwnerEditor(tool.Tool, ManagedWindow):
         self.set_window(window,
                         topDialog.get_object("title"),
                         _("Database Owner Editor"))
+        self.setup_configs('interface.ownereditor', 500, 400)
 
         # move help button to the left side
         action_area = topDialog.get_object("action_area")
diff --git a/gramps/plugins/tool/removeunused.glade b/gramps/plugins/tool/removeunused.glade
index 43068844a..8de6d2531 100644
--- a/gramps/plugins/tool/removeunused.glade
+++ b/gramps/plugins/tool/removeunused.glade
@@ -4,8 +4,6 @@
   <requires lib="gtk+" version="3.10"/>
   <object class="GtkDialog" id="removeunused">
     <property name="can_focus">False</property>
-    <property name="default_width">500</property>
-    <property name="default_height">300</property>
     <property name="type_hint">dialog</property>
     <child internal-child="vbox">
       <object class="GtkBox" id="dialog-vbox2">
diff --git a/gramps/plugins/tool/removeunused.py b/gramps/plugins/tool/removeunused.py
index b41e0437b..c5b63c47f 100644
--- a/gramps/plugins/tool/removeunused.py
+++ b/gramps/plugins/tool/removeunused.py
@@ -130,6 +130,7 @@ class RemoveUnused(tool.Tool, ManagedWindow, UpdateCallback):
         self.top = Glade()
         window = self.top.toplevel
         self.set_window(window, self.top.get_object('title'), self.title)
+        self.setup_configs('interface.removeunused', 400, 520)
 
         self.events_box = self.top.get_object('events_box')
         self.sources_box = self.top.get_object('sources_box')
diff --git a/gramps/plugins/tool/tools.gpr.py b/gramps/plugins/tool/tools.gpr.py
index 6ee145eeb..8b3484503 100644
--- a/gramps/plugins/tool/tools.gpr.py
+++ b/gramps/plugins/tool/tools.gpr.py
@@ -157,8 +157,8 @@ fname = 'finddupes.py',
 authors = ["Donald N. Allingham"],
 authors_email = ["don@gramps-project.org"],
 category = TOOL_DBPROC,
-toolclass = 'Merge',
-optionclass = 'MergeOptions',
+toolclass = 'DuplicatePeopleTool',
+optionclass = 'DuplicatePeopleToolOptions',
 tool_modes = [TOOL_MODE_GUI]
   )