diff --git a/src/Security/Member.php b/src/Security/Member.php
index 8109fbb45..d8275f9f6 100644
--- a/src/Security/Member.php
+++ b/src/Security/Member.php
@@ -1123,6 +1123,16 @@ class Member extends DataObject
 
     //------------------- HELPER METHODS -----------------------------------//
 
+    /**
+     * Simple proxy method to get the Surname property of the member
+     *
+     * @return string
+     */
+    public function getLastName()
+    {
+        return $this->owner->Surname;
+    }
+    
     /**
      * Get the complete name of the member, by default in the format "<Surname>, <FirstName>".
      * Falls back to showing either field on its own.