Regardless, Maggie Pierce is not the same character as Stephanie Edwards, a surgical resident who was introduced on the ABC drama shortly before Maggie Pierce.
If you haven’t caught an episode of Grey’s Anatomy over the last few seasons, you’ve missed quite a lot.
Kelly McCreary plays Maggie Pierce, the daughter of Ellis Grey and Richard Webber who showed up in Season 10 and became a regular cast member in Season 11.
Obviously, ever since Lexie was killed off, the show was really missing some drama in the sisters department, and thus Grey’s Anatomy wrote in another secret sister to take Meredith Grey to a dark place.