Rey's parents left her on Jakku at an early age, making the subject of her parentage a major source of discussion following the film's release. While The Last Jedi will likely explore more of Rey's backstory, actress Daisy Ridley doesn't think it actually matters that much in the long run. Rey is in the Resistance for the long haul, whether or not she finds out her parents.
You can always look for answers and that doesn't mean that the rest of your life is so easy. It's not like, oh, I know who my parents are so now everything falls into shape, especially in the Star Wars world.
Days Ridley's statement to EW makes perfect sense. Even if Rey somehow reunites with one or both of her parents, it's not going to change who the character is. Her issues of abandonment and her inherent tenacity aren't going anywhere.Read more at HollywoodReporter