Magento : How to add custom field in Magento newsletter module

Step 1 : Open file: root/app/design/frontend/your-package-name/your-theme/template/newsletter/subscribe.phtml
Add input field for ‘Name’ before ‘Email’ Field :

<input type="text" name="subscriber_name" id="subscriber_name" title="<?php echo $this->__('Name') ?>" />

Step 2 : Open file:  root/app/code/core/Mage/Newsletter/controllers/SubscriberController.php
A. Search:

$status = Mage::getModel('newsletter/subscriber')->subscribe($email);

Replace with:

if ($this->getRequest()->getPost('subscriber_name'))

{

$subscriber = Mage::getModel('newsletter/subscriber')->loadByEmail($email);

$subscriber_name     = (string) $this->getRequest()->getPost('subscriber_name');

$subscriber->setsubscriber_name($subscriber_name);

}

$status = Mage::getModel('newsletter/subscriber')->subscribe($email,$subscriber_name);

Step 3 : Open file : root/app/code/core/Mage/Newsletter/Model/Subscriber.php
A. Search:

public function subscribe($email)

public function subscribe($email,$subscriber_name=null)

B. Search:

$this->setSubscriberEmail($email);

Add after it:

$this->setsubscriber_name($subscriber_name);

C. Search:

public function setEmail($value)

{

return $this->setSubscriberEmail($value);

}

Add after it:

public function setsubscriber_name($value)

{

return $this->setSubscriberName($value);

}

Step 4 : Open file : root/app/code/core/Mage/Adminhtml/Block/Newsletter/Subscriber/Grid.php
A. Search:

$this->addColumn('email', array( 'header'    => Mage::helper('newsletter')->__('Email'), 'index'     => 'subscriber_email' ));

Add before it:

$this->addColumn('subscriber_name', array( 'header'    => Mage::helper('newsletter')->__('Subscriber Name'), 'index'     => 'subscriber_name', 'default'   =>    '----' ));

Step 5 : Open your database.
Create a field ‘subscriber_name’ in table “Newsletter Subscriber”.
Step 6 : Clear the caches .

All work is Done. Now Submit the newsletter form.

Go to System > Transactional Email > Choose one layout to edit. Use this var:

{{var customer.subscriber_name}}