diff --git a/src/hooks/wallets/mpc/__tests__/useMPCWallet.test.ts b/src/hooks/wallets/mpc/__tests__/useMPCWallet.test.ts
index 53a0b60985..176e7b777f 100644
--- a/src/hooks/wallets/mpc/__tests__/useMPCWallet.test.ts
+++ b/src/hooks/wallets/mpc/__tests__/useMPCWallet.test.ts
@@ -14,9 +14,15 @@ import { setMPCCoreKitInstance } from '../useMPC'
 import { ONBOARD_MPC_MODULE_LABEL } from '@/services/mpc/module'
 import { ethers } from 'ethers'
 import BN from 'bn.js'
+import * as addressBookSlice from '@/store/addressBookSlice'
+import * as useChainId from '@/hooks/useChainId'
+import { hexZeroPad } from 'ethers/lib/utils'
+import * as useAddressBook from '@/hooks/useAddressBook'
 
 /** time until mock login resolves */
 const MOCK_LOGIN_TIME = 1000
+/** Mock address for successful login */
+const mockSignerAddress = hexZeroPad('0x1', 20)
 
 /**
  * Helper class for mocking MPC Core Kit login flow
@@ -67,6 +73,10 @@ class MockMPCCoreKit {
   commitChanges() {
     return Promise.resolve()
   }
+
+  getUserInfo() {
+    return this.state.userInfo
+  }
 }
 
 describe('useMPCWallet', () => {
@@ -76,6 +86,7 @@ describe('useMPCWallet', () => {
   beforeEach(() => {
     jest.resetAllMocks()
     setMPCCoreKitInstance(undefined)
+    jest.spyOn(useChainId, 'default').mockReturnValue('100')
   })
   afterAll(() => {
     jest.useRealTimers()
@@ -94,6 +105,7 @@ describe('useMPCWallet', () => {
     })
 
     it('should throw if MPC Core Kit is not initialized', () => {
+      jest.spyOn(useAddressBook, 'default').mockReturnValue({})
       jest.spyOn(useOnboard, 'default').mockReturnValue({} as unknown as OnboardAPI)
       const { result } = renderHook(() => useMPCWallet())
 
@@ -102,8 +114,10 @@ describe('useMPCWallet', () => {
     })
 
     it('should handle successful log in for SFA account', async () => {
+      jest.spyOn(useAddressBook, 'default').mockReturnValue({})
+      const upsertABSpy = jest.spyOn(addressBookSlice, 'upsertAddressBookEntry')
       jest.spyOn(useOnboard, 'default').mockReturnValue({} as unknown as OnboardAPI)
-      const connectWalletSpy = jest.fn().mockImplementation(() => Promise.resolve())
+      const connectWalletSpy = jest.fn().mockResolvedValue([{ accounts: [{ address: mockSignerAddress }] }])
       jest.spyOn(useOnboard, 'connectWallet').mockImplementation(connectWalletSpy)
       setMPCCoreKitInstance(
         new MockMPCCoreKit(COREKIT_STATUS.LOGGED_IN, {
@@ -137,13 +151,17 @@ describe('useMPCWallet', () => {
             disableModals: true,
           },
         })
+        expect(upsertABSpy).toBeCalledWith({ address: mockSignerAddress, name: 'test@test.com', chainId: '100' })
       })
     })
 
     it('should handle successful log in for MFA account with device share', async () => {
+      jest.spyOn(useAddressBook, 'default').mockReturnValue({ [mockSignerAddress]: 'Some name' })
+      const upsertABSpy = jest.spyOn(addressBookSlice, 'upsertAddressBookEntry')
       const mockDeviceFactor = ethers.Wallet.createRandom().privateKey.slice(2)
       jest.spyOn(useOnboard, 'default').mockReturnValue({} as unknown as OnboardAPI)
-      const connectWalletSpy = jest.fn().mockImplementation(() => Promise.resolve())
+      const connectWalletSpy = jest.fn().mockResolvedValue([{ accounts: [{ address: mockSignerAddress }] }])
+
       jest.spyOn(useOnboard, 'connectWallet').mockImplementation(connectWalletSpy)
       setMPCCoreKitInstance(
         new MockMPCCoreKit(
@@ -184,6 +202,7 @@ describe('useMPCWallet', () => {
             disableModals: true,
           },
         })
+        expect(upsertABSpy).not.toHaveBeenCalled()
       })
     })
 
diff --git a/src/hooks/wallets/mpc/useMPCWallet.ts b/src/hooks/wallets/mpc/useMPCWallet.ts
index 06328e4e82..1c7c1416af 100644
--- a/src/hooks/wallets/mpc/useMPCWallet.ts
+++ b/src/hooks/wallets/mpc/useMPCWallet.ts
@@ -9,6 +9,11 @@ import { SecurityQuestionRecovery } from './recovery/SecurityQuestionRecovery'
 import { DeviceShareRecovery } from './recovery/DeviceShareRecovery'
 import { trackEvent } from '@/services/analytics'
 import { MPC_WALLET_EVENTS } from '@/services/analytics/events/mpcWallet'
+import useAddressBook from '@/hooks/useAddressBook'
+import { upsertAddressBookEntry } from '@/store/addressBookSlice'
+import { useAppDispatch } from '@/store'
+import useChainId from '@/hooks/useChainId'
+import { checksumAddress } from '@/utils/addresses'
 
 export enum MPCWalletState {
   NOT_INITIALIZED,
@@ -32,6 +37,9 @@ export const useMPCWallet = (): MPCWalletHook => {
   const [walletState, setWalletState] = useState(MPCWalletState.NOT_INITIALIZED)
   const mpcCoreKit = useMPC()
   const onboard = useOnboard()
+  const addressBook = useAddressBook()
+  const currentChainId = useChainId()
+  const dispatch = useAppDispatch()
 
   const criticalResetAccount = async (): Promise<void> => {
     // This is a critical function that should only be used for testing purposes
@@ -101,12 +109,24 @@ export const useMPCWallet = (): MPCWalletHook => {
     if (mpcCoreKit.status === COREKIT_STATUS.LOGGED_IN) {
       await mpcCoreKit.commitChanges()
 
-      await connectWallet(onboard, {
+      const wallets = await connectWallet(onboard, {
         autoSelect: {
           label: ONBOARD_MPC_MODULE_LABEL,
           disableModals: true,
         },
       }).catch((reason) => console.error('Error connecting to MPC module:', reason))
+
+      // If the signer is not in the address book => add the user's email as name
+      if (wallets && currentChainId && wallets.length > 0) {
+        const address = wallets[0].accounts[0]?.address
+        if (address) {
+          const signerAddress = checksumAddress(address)
+          if (addressBook[signerAddress] === undefined) {
+            const email = mpcCoreKit.getUserInfo().email
+            dispatch(upsertAddressBookEntry({ address: signerAddress, chainId: currentChainId, name: email }))
+          }
+        }
+      }
       setWalletState(MPCWalletState.READY)
     }
   }
diff --git a/src/utils/addresses.ts b/src/utils/addresses.ts
index e1c4bfce68..8718efbd22 100644
--- a/src/utils/addresses.ts
+++ b/src/utils/addresses.ts
@@ -1,6 +1,10 @@
 import { getAddress } from 'ethers/lib/utils'
 import { isAddress } from '@ethersproject/address'
-
+/**
+ * Checksums the given address
+ * @param address ethereum address
+ * @returns the checksummed address if the given address is valid otherwise returns the address unchanged
+ */
 export const checksumAddress = (address: string): string => {
   return isAddress(address) ? getAddress(address) : address
 }