I hadn't wanted to "clutter" this thread, but with people asking me to explain/outline some of the ways that the "Rey Skywalker" thing has been put to rest, I'm going to give some examples:
1) TFA itself (as noted, nothing about Han and Leia's behavior in the film is consistent with their ever having encountered her prior to those events or being familiar with her in any way)
2) Statements/comments from JJ Abrams, specifically "Rey's parents are not in The Force Awakens" (Tribecca 2016), "Leia does not know who Rey is or recognize her beyond her being the girl that Han mentioned in passing" (Entertainment Weekly interview, December 2016), and "Kylo Ren has never met Rey before" (The Force Awakens audio commentary)
3) Twitter statements from Pablo Hidalgo, specifically "Kylo Ren 'recognizes' Rey only as the 'awakening' he and Snoke felt", "If you're asking if Rey has already been left on Jakku during Bloodline, then yes. She's been there a while", "Kylo Ren's attack happened more recently than 14/15 years before TFA", " And that the person she's waiting for is never coming back. Would it make sense if Maz meant someone who's upstairs?", and "So. yeah. Two separate people".
4) Daisy Ridley herself: "How do you know? Have you seen the film? Clearly not, because I wasn't." (in relation to fans believing her to be Han's daughter)
5) Bloodline establishing that, by the time Ben turned, Rey had already been on Jakku for years, something that Pablo Hidalgo had also said was the case previous to the novel's release
6) Daisy Ridley flat-out stating that Luke and Rey don't know each other prior to Rey showing up on Ach-To: "Obviously, he doesn't even know who she is when she turns up with this freaking lightsaber that he's not seen in however long," said Ridley. "So that in itself is a big difference." ( Star Wars Celebration 2017“) and "I don’t think one girl, who he doesn’t know, turning up with a lightsaber is gonna make him go, ‘Oh, s—, yeah, of course I’ll get back into the action" (Entertainment Weekly interview, a few days ago)
7) Footage of The Last Jedi that was shown to Disney shareholders revealing that Luke's first words to Rey are
There are other statements/comments from Pablo, JJ, and others that I can no longer find, as well as pieces of info from the Visual Guide that I can't currently find that further cast doubt on the "Rey Skywalker" theory, but the above 8 examples paint a pretty stark picture and demonstrate a pretty consistent pattern.
Note: I had previously confused Daisy's statements about Rey as having been made by Hamill, and alluded to such earlier in this thread and in private