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|Born:||November 4, 1960 in Chicago, Illinois, USA|
|Character:||Tammy Jean Albertson|
Kathleen Mary Griffin was born in Oak Park, Illinois on November 4, 1960. When most of her siblings moved away, Griffin often spent hours alone in the house, and she developed a binge eating disorder. She explained that even though eating disorders were not very well known at that time, she knew that her eating behavior was aberrant and always threw the garbage away in the neighbor's can. In her autobiography Official Book Club Selection (2009), Griffin confessed that she "still suffers [from food issues]" but has learned to "deal with them".
As a young girl, Griffin attended St. Bernadine's Elementary School, and began to develop a dislike for organized religion due to the punishments of the nuns towards her and other "vulnerable" students. After graduation, she attended Oak Park and River Forest High School and sought refuge in musical theatre, playing roles such as Rosemary on How to Succeed in Business Without Really Trying and Hodel in Fiddler on the Roof. During her senior year she began arguing with her parents, who wanted her to attend college, because she wanted to become a professional actress. Her first appearance on television was as an extra on a Chicago White Sox commercial, and she was signed with different Chicago talent agencies. At age eighteen, Griffin convinced her parents to move to Los Angeles to help her become famous.
At age nineteen, Griffin attended a show of the California-based improvisational group The Groundlings. She said, "I thought. This is where I want to be. This is the greatest thing in the world." After the show ended, she went backstage and asked member Phil Hartman about it.
- Her mother, Mary Margaret "Maggie" (née Corbally), and her father, John Patrick Griffin, were first-generation Irish Americans.
- She starred in How to Succeed in Business Without Really Trying, as did other Glee star Darren Criss.
- She supports the LGBT rights and she is a proud spoken person for the group.