The following applies to our section-based themes: Turbo 2.0+, Parallax 3.0+, Retina 4.0+, Mobilia 5.0+, Responsive 6.0+, and Artisan 1.0+. If you are on an older version, please update your theme.
Within the built-in Newsletter Popup, you can add in name fields through the theme settings.
To enable the newsletter popup head into Customize > Theme Settings > Popup/Newsletter.
You can check off 'Enable Popup' and configure your popup here. You have the ability to add in heading, text, an image, and the newsletter form. To enable the name fields, you'll want to check off 'Show first name' and 'Show last name'.