These evidences are just a coincidence. Even if everything you say is true, you forget a very important fact. Obi-Wan Kenobi (Ben) died at Episode 4 and The Force Awakens take place almost 30 years after Return of the Jedi. So, it is almost impossible even through the Force for Rey to be a Kenobi. Also, Ben Kenobi is a very disciplined Jedi, so he would never violate the Jedi code and have children. Hence, everything you say is just good observations, but no such conclusion can be made about Rey’s origins. I believe it’s either a Skywalker (which is the obvious) or she was born like Anakin Skywalker (through the Force) and then ditched at Jakku.