Mary Seery Kearney (Fine Gael) | Oireachtas source

The manual states: "“You can use the search function in the Abú system to find the person you have engaged with online, tag them as a social media engager and follow up with a canvass on their doorstep". That implies that more than the electoral register is being stored on the Abú system as it has that facility and that is stated in black and white in the manual.