Emily was Tucker's daughter in the Season 6 episode Wilson. She was portrayed by actress Jessica Whitaker.
When Wilson first met Tucker's girlfriend Ashley, he mistook her for Emily, who Wilson had met when Tucker was first his patient five years before.
Wilson realizes that Tucker may want to see Emily even though they're estranged. He calls Emily and, even though she says she doesn't want to see Tucker, she comes to the hospital bringing her mother Melissa.