Did Erin Die on Grey's Anatomy? Status Clarified

On Grey's Anatomy, the character Erin—Meredith Grey's half-sister through their father Thatcher—does not die in the show's main run. Erin has an intellectual disability due to a congenital condition and lives with their father. In season 10, episode 7 titled "She's Leaving Home," Erin is reported missing and is later found deceased off-screen, presumed dead after wandering away during a vulnerable episode. No on-screen death is shown, and her passing is confirmed through dialogue in subsequent episodes. The storyline addresses themes of vulnerability, institutional support, and family responsibility. Below are key details that clarify Erin's status and timeline on the series.