Turn on/off page titles on a per page basis, and set sitewide defaults from Theme Settings. Must be using the Genesis theme.
genesis-title-toggle folder to your
Activate the "Genesis Title Toggle" plugin in your WordPress administration interface
When editing a page, go down to the Title Toggle metabox and check "hide" to hide that page's title.
(Optional) Go to Genesis > Theme Settings > Title Toggle to remove titles on all pages by default.