Gaia inhabitants
The following is a list of Gaia inhabitants.

Named  
 Brota
 Yedrin Dax
 Gabriel
 Lisa
 
 Miranda O'Brien 
 Parell
 Odo
 Torvin

Unnamed

Humans 
These Human colonists existed in an alternate timeline on the planet Gaia created by the starship Defiants crash landing on Gaia. Their existence was erased when the Defiant avoided the crash and that timeline was averted. ()

Klingon 

This Klingon existed in an alternate timeline on the planet Gaia. With Brota and Parell, he followed the Klingon traditions and the path of the Sons of Mogh. He was a descendant of Worf. Together with Brota and Parell, he followed Worf and helped the Human descendants in planting their crop in 2374. ()

Molly's grandfather 
Upon introducing  to Miles O'Brien, Miranda O'Brien described him as her "grandfather's great-great-great-grandfather."  ()

Trill 

This female Trill was a descendant of Jadzia Dax who lived on Gaia. However, she was only partially Trill. ()

Unnamed Humans
Unnamed Trill
Unnamed Klingons