Born on the South Pacific island of Tonga. Mother was a homemaker, father was an art teacher. Her father is now a psychologist in a maximum security prison in Florida.

Spent her childhood on a 200 acre farm in southwest Missouri and moved to Springfield, Missouri the beginning of high school. Was a state and national champion in Forensics in high school, as well as a cheerleader and competitive swimmer.

Spent a summer in Sitka, Alaska gutting salmon in a processing plant. Speaks Portuguese. Owned a website design and marketing company before her acting career took off. Katherine was featured in Inc. magazine and has been a contributor as a web marketing consultant.

Farrelly brothers wrote a role into "The Ringer" for Katherine as well as director Alan Parker in "The Life of David Gale". Was awarded Best Character Use and Best Ensemble Acting at the 2004 48 Hour Film Project.
Worked in Alaska at a fish processing plant. Was a missionary in northern Portugal. Hula dances Loves Harley Davidson Motorcycles While living in Portugal, hurt her back and couldn't walk for 8 months. Took four months of intense physical therapy in Austin, Texas to regain mobility. Appears in the book, Robert Rodriguez and Frank Miller. Frank Miller's Sin City: The Making of the Movie. TroubleMaker Publishing, 2005, pg. 219-221