diff --git a/ghost/members-api/lib/repositories/member.js b/ghost/members-api/lib/repositories/member.js
index d036b1a861..71771ee01a 100644
--- a/ghost/members-api/lib/repositories/member.js
+++ b/ghost/members-api/lib/repositories/member.js
@@ -1086,6 +1086,7 @@ module.exports = class MemberRepository {
                     memberId: member.id,
                     subscriptionId: subscriptionModel.get('id'),
                     offerId: offerId,
+                    attribution: data.attribution,
                     batchId: options.batch_id
                 });
                 this.dispatchEvent(activatedEvent, options);
diff --git a/ghost/staff-service/lib/email-templates/new-free-signup.hbs b/ghost/staff-service/lib/email-templates/new-free-signup.hbs
index e2bf815e48..3a54fb71b9 100644
--- a/ghost/staff-service/lib/email-templates/new-free-signup.hbs
+++ b/ghost/staff-service/lib/email-templates/new-free-signup.hbs
@@ -48,6 +48,9 @@
                                                   <p class="text-link" style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; font-size: 13px; padding-right: 8px; padding: 0; margin: 0; color: #394047; font-weight: 400;">{{memberData.email}}</p>
                                                 {{/if}}
                                                 <p style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; font-size: 13px; padding-right: 8px; padding: 0; margin: 0; color: #95A1AD;">Created on {{memberData.createdAt}}{{#if memberData.location}} &#8226; {{memberData.location}} {{/if}}
+                                                {{#if referrerSource}}
+                                                  <p class="text-link" style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; font-size: 13px; padding-right: 8px; padding: 0; margin: 0; color: #95A1AD;">Source: {{referrerSource}}</p>
+                                                {{/if}}
                                                 </p>
                                             </td>
                                         </tr>
diff --git a/ghost/staff-service/lib/email-templates/new-paid-started.hbs b/ghost/staff-service/lib/email-templates/new-paid-started.hbs
index 2caa2be825..c25ac916ed 100644
--- a/ghost/staff-service/lib/email-templates/new-paid-started.hbs
+++ b/ghost/staff-service/lib/email-templates/new-paid-started.hbs
@@ -48,6 +48,9 @@
                                                   <p class="text-link" style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; font-size: 13px; padding-right: 8px; padding: 0; margin: 0; color: #394047; font-weight: 400;">{{memberData.email}}</p>
                                                 {{/if}}
                                                 <p style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; font-size: 13px; padding-right: 8px; padding: 0; margin: 0; color: #95A1AD;">Subscription started on {{subscriptionData.startedOn}} </p>
+                                                {{#if referrerSource}}
+                                                  <p class="text-link" style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; font-size: 13px; padding-right: 8px; padding: 0; margin: 0; color: #95A1AD;">Source: {{referrerSource}}</p>
+                                                {{/if}}
                                             </td>
                                         </tr>
                                     </table>
diff --git a/ghost/staff-service/lib/emails.js b/ghost/staff-service/lib/emails.js
index d36ca56c45..089b965a01 100644
--- a/ghost/staff-service/lib/emails.js
+++ b/ghost/staff-service/lib/emails.js
@@ -16,7 +16,9 @@ class StaffServiceEmails {
         this.registerPartials();
     }
 
-    async notifyFreeMemberSignup(member, options) {
+    async notifyFreeMemberSignup({
+        member, attribution
+    }, options) {
         const users = await this.models.User.getEmailAlertUsers('free-signup', options);
 
         for (const user of users) {
@@ -27,6 +29,7 @@ class StaffServiceEmails {
 
             const templateData = {
                 memberData,
+                referrerSource: attribution?.referrerSource,
                 siteTitle: this.settingsCache.get('title'),
                 siteUrl: this.urlUtils.getSiteUrl(),
                 siteDomain: this.siteDomain,
@@ -47,7 +50,7 @@ class StaffServiceEmails {
         }
     }
 
-    async notifyPaidSubscriptionStarted({member, subscription, offer, tier}, options = {}) {
+    async notifyPaidSubscriptionStarted({member, subscription, offer, tier, attribution}, options = {}) {
         const users = await this.models.User.getEmailAlertUsers('paid-started', options);
 
         for (const user of users) {
@@ -72,6 +75,7 @@ class StaffServiceEmails {
 
             const templateData = {
                 memberData,
+                referrerSource: attribution?.referrerSource,
                 tierData,
                 offerData,
                 subscriptionData,
diff --git a/ghost/staff-service/lib/staff-service.js b/ghost/staff-service/lib/staff-service.js
index 8a41771b14..47fc642e71 100644
--- a/ghost/staff-service/lib/staff-service.js
+++ b/ghost/staff-service/lib/staff-service.js
@@ -98,13 +98,17 @@ class StaffService {
         });
 
         if (type === MemberCreatedEvent && member.status === 'free') {
-            await this.emails.notifyFreeMemberSignup(member);
+            await this.emails.notifyFreeMemberSignup({
+                member,
+                attribution: event?.data?.attribution
+            });
         } else if (type === SubscriptionActivatedEvent) {
             await this.emails.notifyPaidSubscriptionStarted({
                 member,
                 offer,
                 tier,
-                subscription
+                subscription,
+                attribution: event?.data?.attribution
             });
         } else if (type === SubscriptionCancelledEvent) {
             subscription.canceledAt = event.timestamp;
diff --git a/ghost/staff-service/test/staff-service.test.js b/ghost/staff-service/test/staff-service.test.js
index f628c12bbd..cc339ed3c9 100644
--- a/ghost/staff-service/test/staff-service.test.js
+++ b/ghost/staff-service/test/staff-service.test.js
@@ -377,7 +377,7 @@ describe('StaffService', function () {
                     created_at: '2022-08-01T07:30:39.882Z'
                 };
 
-                await service.emails.notifyFreeMemberSignup(member, options);
+                await service.emails.notifyFreeMemberSignup({member}, options);
 
                 mailStub.calledOnce.should.be.true();
                 testCommonMailData(stubs);
@@ -402,7 +402,7 @@ describe('StaffService', function () {
                     created_at: '2022-08-01T07:30:39.882Z'
                 };
 
-                await service.emails.notifyFreeMemberSignup(member, options);
+                await service.emails.notifyFreeMemberSignup({member}, options);
 
                 mailStub.calledOnce.should.be.true();
                 testCommonMailData(stubs);
@@ -418,6 +418,39 @@ describe('StaffService', function () {
                     sinon.match.has('html', sinon.match('Created on 1 Aug 2022 &#8226; France'))
                 ).should.be.true();
             });
+
+            it('sends free member signup alert with attribution', async function () {
+                const member = {
+                    name: 'Ghost',
+                    email: 'member@example.com',
+                    id: 'abc',
+                    geolocation: '{"country": "France"}',
+                    created_at: '2022-08-01T07:30:39.882Z'
+                };
+
+                const attribution = {
+                    referrerSource: 'Twitter'
+                };
+
+                await service.emails.notifyFreeMemberSignup({member, attribution}, options);
+
+                mailStub.calledOnce.should.be.true();
+                testCommonMailData(stubs);
+                getEmailAlertUsersStub.calledWith('free-signup').should.be.true();
+
+                mailStub.calledWith(
+                    sinon.match({subject: '🥳 Free member signup: Ghost'})
+                ).should.be.true();
+                mailStub.calledWith(
+                    sinon.match.has('html', sinon.match('🥳 Free member signup: Ghost'))
+                ).should.be.true();
+                mailStub.calledWith(
+                    sinon.match.has('html', sinon.match('Created on 1 Aug 2022 &#8226; France'))
+                ).should.be.true();
+                mailStub.calledWith(
+                    sinon.match.has('html', sinon.match('Source: Twitter'))
+                ).should.be.true();
+            });
         });
 
         describe('notifyPaidSubscriptionStart', function () {
@@ -451,6 +484,21 @@ describe('StaffService', function () {
                 };
             });
 
+            it('sends paid subscription start alert with attribution', async function () {
+                const attribution = {
+                    referrerSource: 'Twitter'
+                };
+                await service.emails.notifyPaidSubscriptionStarted({member, offer: null, tier, subscription, attribution}, options);
+
+                mailStub.calledOnce.should.be.true();
+                testCommonPaidSubMailData({...stubs, member});
+
+                // check attribution text
+                mailStub.calledWith(
+                    sinon.match.has('html', sinon.match('Source: Twitter'))
+                ).should.be.true();
+            });
+
             it('sends paid subscription start alert without offer', async function () {
                 await service.emails.notifyPaidSubscriptionStarted({member, offer: null, tier, subscription}, options);