About Rachael MacFarlane
Rachael Ann MacFarlane (born March 21, 1976) is an American voice actress, singer, and author. Her voice credits include Hayley Smith on the animated television show American Dad!, Supreme Leader Numbuh 362 in the television series Codename: Kids Next Door, and Kate Lockwell in the video game StarCraft II. Her older brother is American Dad! co-creator and Family Guy creator Seth MacFarlane. In addition to voice acting, MacFarlane has also been involved in other aspects of animation, such as being a production manager for The Grim Adventures of Billy & Mandy and Welcome to Eltingville, and she wrote an episode of The Grim Adventures of Billy & Mandy, titled "Educating Grim". In September 2012, she released her first album Hayley Sings, which is a jazz vocal tribute to Hayley Smith, her character on American Dad!.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.