diff --git a/aidants_connect_web/admin.py b/aidants_connect_web/admin.py
index 84e858634..d184d8b53 100644
--- a/aidants_connect_web/admin.py
+++ b/aidants_connect_web/admin.py
@@ -743,6 +743,22 @@ class UsagerAdmin(VisibleToTechAdmin, NestedModelAdmin, TabbedModelAdmin):
     tab_mandats = (UsagerMandatInline,)
 
     tabs = [("Informations", tab_infos), ("Mandats", tab_mandats)]
+    actions = ("specific_deleted_action",)
+
+    def get_actions(self, request):
+        actions = super(UsagerAdmin, self).get_actions(request)
+        try:
+            del actions["delete_selected"]
+        except KeyError:
+            pass
+        return actions
+
+    def specific_deleted_action(self, request, queryset):
+        for usager in queryset:
+            usager.clean_journal_entries_and_delete_mandats()
+            usager.delete()
+
+    specific_deleted_action.short_description = "Supprimer les usagers sélectionnés"
 
 
 class MandatAutorisationInline(VisibleToTechAdmin, TabularInline):
@@ -905,13 +921,25 @@ class ConnectionAdmin(ModelAdmin):
 
 
 class JournalAdmin(VisibleToTechAdmin, ModelAdmin):
-    list_display = ("id", "action", "aidant", "creation_date")
+    list_display = (
+        "creation_date",
+        "action",
+        "aidant",
+        "usager",
+        "additional_information",
+        "id",
+    )
     list_filter = ("action",)
+
     search_fields = (
         "action",
         "aidant__first_name",
         "aidant__last_name",
         "aidant__email",
+        "usager__family_name",
+        "usager__given_name",
+        "usager__email",
+        "additional_information",
     )
     ordering = ("-creation_date",)
 
diff --git a/aidants_connect_web/models.py b/aidants_connect_web/models.py
index 00960d65e..55d401341 100644
--- a/aidants_connect_web/models.py
+++ b/aidants_connect_web/models.py
@@ -5,7 +5,8 @@
 from django.contrib.auth.models import AbstractUser, UserManager
 from django.contrib.postgres.fields import ArrayField
 from django.db import models, transaction
-from django.db.models import Q, QuerySet, SET_NULL, CASCADE
+from django.db.models import Q, QuerySet, SET_NULL, CASCADE, Value
+from django.db.models.functions import Concat
 from django.dispatch import Signal
 from django.template import loader, defaultfilters
 from django.urls import reverse
@@ -567,6 +568,39 @@ def normalize_birthplace(self):
 
         return self.birthplace
 
+    def clean_journal_entries_and_delete_mandats(self):
+        today = timezone.now()
+        str_today = today.strftime("%d/%m/%Y à %Hh%M")
+        for mandat in self.mandats.all():
+            entries = Journal.objects.filter(mandat=mandat)
+            manda_str_add_inf = (
+                f"Added by clean_journal_entries_and_delete_mandats :"
+                f"\n Relatif au mandat supprimé {mandat} le {str_today}"
+            )
+            entries.update(
+                mandat=None,
+                additional_information=Concat(
+                    "additional_information", Value(manda_str_add_inf)
+                ),
+            )
+            mandat.delete()
+
+        entries = Journal.objects.filter(usager=self)
+
+        usager_str_add_inf = (
+            f"Add by clean_journal_entries_and_delete_mandats :"
+            f"\n Relatif à l'usager supprimé {self.family_name} "
+            f"{self.given_name}  {self.preferred_username} "
+            f"{self.email} le {str_today}"
+        )
+        entries.update(
+            usager=None,
+            additional_information=Concat(
+                "additional_information", Value(usager_str_add_inf)
+            ),
+        )
+        entries.delete()
+
 
 def get_staff_organisation_name_id() -> int:
     try:
diff --git a/aidants_connect_web/tests/test_models.py b/aidants_connect_web/tests/test_models.py
index ecfcbd0bc..7f77d6797 100644
--- a/aidants_connect_web/tests/test_models.py
+++ b/aidants_connect_web/tests/test_models.py
@@ -1595,3 +1595,42 @@ def test_do_not_validate_if_invalid_status(self):
             )
             db_hab_request = HabilitationRequest.objects.get(id=habilitation_request.id)
             self.assertEqual(db_hab_request.status, status)
+
+
+@tag("models", "manndat", "usager", "journal")
+class UsagerDeleteTests(TestCase):
+    @classmethod
+    def setUpTestData(cls):
+        cls.aidant_marge = AidantFactory()
+        cls.usager_homer = UsagerFactory(given_name="Homer")
+        cls.mandat_marge_homer = MandatFactory(
+            organisation=cls.aidant_marge.organisation,
+            usager=cls.usager_homer,
+            expiration_date=timezone.now() - timedelta(days=6),
+        )
+        cls.autorisation = AutorisationFactory(
+            mandat=cls.mandat_marge_homer,
+            demarche="Carte grise",
+        )
+        Journal.log_autorisation_creation(cls.autorisation, aidant=cls.aidant_marge)
+        Journal.log_franceconnection_usager(
+            aidant=cls.aidant_marge,
+            usager=cls.usager_homer,
+        )
+        Journal.log_mandat_cancel(
+            aidant=cls.aidant_marge, mandat=cls.mandat_marge_homer
+        )
+
+    def test_usager_clean_journal_entries_and_delete_mandats(self):
+        self.assertEqual(len(Journal.objects.all()), 3)
+        testing = "Add by clean_journal_entries_and_delete_mandats"
+        self.usager_homer.clean_journal_entries_and_delete_mandats()
+        self.assertEqual(len(Journal.objects.all()), 3)
+        self.assertEqual(
+            len(Journal.objects.filter(additional_information__icontains=testing)),
+            3,
+        )
+        self.usager_homer.delete()
+        self.assertEqual(len(Usager.objects.all()), 0)
+        self.assertEqual(len(Mandat.objects.all()), 0)
+        self.assertEqual(len(Journal.objects.all()), 3)