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Wikisimpsons - The Simpsons Wiki
For others named Cathy, see Cathy.
Character Information
Female ♀
Relatives: Simpson family
First mentioned: "Politically Inept, with Homer Simpson"

Cathy is the cousin of either Homer, Marge, or Maggie, Bart, and Lisa. She lives in Bozeman, Montana.


She invites the Simpson family to her wedding so their feelings won't be hurt, but they get stuck in the terminal for ages as a result of an unrelated prison break in New South Wales, Australia.