diff --git a/keyserver/src/push/send.js b/keyserver/src/push/send.js
--- a/keyserver/src/push/send.js
+++ b/keyserver/src/push/send.js
@@ -30,6 +30,7 @@
 } from 'lib/types/message-types.js';
 import type { ServerThreadInfo, ThreadInfo } from 'lib/types/thread-types.js';
 import { updateTypes } from 'lib/types/update-types.js';
+import type { UserInfo } from 'lib/types/user-types.js';
 import { promiseAll } from 'lib/utils/promises.js';
 
 import { getAPNsNotificationTopic } from './providers.js';
@@ -181,6 +182,10 @@
               badgeOnly,
               unreadCount: unreadCounts[userID],
               codeVersion,
+              notifTargetUserInfo: {
+                id: userID,
+                username,
+              },
             });
             return await sendIOSNotification(notification, [...deviceTokens], {
               ...notificationInfo,
@@ -207,6 +212,10 @@
               badgeOnly,
               unreadCount: unreadCounts[userID],
               codeVersion,
+              notifTargetUserInfo: {
+                id: userID,
+                username,
+              },
               dbID,
             });
             return await sendAndroidNotification(
@@ -489,6 +498,7 @@
   +badgeOnly: boolean,
   +unreadCount: number,
   +codeVersion: number,
+  +notifTargetUserInfo: UserInfo,
 };
 async function prepareIOSNotification(
   inputData: IOSNotifInputData,
@@ -501,6 +511,7 @@
     badgeOnly,
     unreadCount,
     codeVersion,
+    notifTargetUserInfo,
   } = inputData;
 
   const uniqueID = uuidv4();
@@ -510,6 +521,7 @@
   const { merged, ...rest } = await notifTextsForMessageInfo(
     allMessageInfos,
     threadInfo,
+    notifTargetUserInfo,
     getENSNames,
   );
   if (!badgeOnly) {
@@ -571,6 +583,7 @@
     badgeOnly,
     unreadCount,
     codeVersion,
+    notifTargetUserInfo,
     dbID,
   } = inputData;
 
@@ -578,6 +591,7 @@
   const { merged, ...rest } = await notifTextsForMessageInfo(
     allMessageInfos,
     threadInfo,
+    notifTargetUserInfo,
     getENSNames,
   );
   const notification = {
diff --git a/lib/shared/messages/message-spec.js b/lib/shared/messages/message-spec.js
--- a/lib/shared/messages/message-spec.js
+++ b/lib/shared/messages/message-spec.js
@@ -12,7 +12,7 @@
 import type { RawUnsupportedMessageInfo } from '../../types/messages/unsupported.js';
 import type { NotifTexts } from '../../types/notif-types.js';
 import type { ThreadInfo } from '../../types/thread-types.js';
-import type { RelativeUserInfo } from '../../types/user-types.js';
+import type { RelativeUserInfo, UserInfo } from '../../types/user-types.js';
 import type { EntityText } from '../../utils/entity-text.js';
 import { type ParserRules } from '../markdown.js';
 
@@ -48,6 +48,7 @@
     messageInfos: $ReadOnlyArray<MessageInfo>,
     threadInfo: ThreadInfo,
   ) => Promise<NotifTexts>,
+  +notifTargetUserInfo: UserInfo,
 };
 
 export type GeneratesNotifsParams = {
diff --git a/lib/shared/notif-utils.js b/lib/shared/notif-utils.js
--- a/lib/shared/notif-utils.js
+++ b/lib/shared/notif-utils.js
@@ -14,7 +14,7 @@
 } from '../types/message-types.js';
 import type { NotifTexts, ResolvedNotifTexts } from '../types/notif-types.js';
 import type { ThreadInfo, ThreadType } from '../types/thread-types.js';
-import type { RelativeUserInfo } from '../types/user-types.js';
+import type { RelativeUserInfo, UserInfo } from '../types/user-types.js';
 import { prettyDate } from '../utils/date-utils.js';
 import type { GetENSNames } from '../utils/ens-helpers.js';
 import {
@@ -29,11 +29,13 @@
 async function notifTextsForMessageInfo(
   messageInfos: MessageInfo[],
   threadInfo: ThreadInfo,
+  notifTargetUserInfo: UserInfo,
   getENSNames: ?GetENSNames,
 ): Promise<ResolvedNotifTexts> {
   const fullNotifTexts = await fullNotifTextsForMessageInfo(
     messageInfos,
     threadInfo,
+    notifTargetUserInfo,
     getENSNames,
   );
   const merged = trimText(fullNotifTexts.merged, 300);
@@ -142,6 +144,7 @@
 async function fullNotifTextsForMessageInfo(
   messageInfos: $ReadOnlyArray<MessageInfo>,
   threadInfo: ThreadInfo,
+  notifTargetUserInfo: UserInfo,
   getENSNames: ?GetENSNames,
 ): Promise<ResolvedNotifTexts> {
   const mostRecentType = mostRecentMessageInfoType(messageInfos);
@@ -157,12 +160,13 @@
     fullNotifTextsForMessageInfo(
       innerMessageInfos,
       innerThreadInfo,
+      notifTargetUserInfo,
       getENSNames,
     );
   const unresolvedNotifTexts = await messageSpec.notificationTexts(
     messageInfos,
     threadInfo,
-    { notificationTexts: innerNotificationTexts },
+    { notifTargetUserInfo, notificationTexts: innerNotificationTexts },
   );
 
   const resolveToString = async (