Tomshack is the daughter of Michael and Pam Tomshack, of Vermilion.
Her achievements, extra-curricular activities and community involvement include membership in the National Honor Society and Academic Challenge teams. Kaitlyn Tomshack is a three-year recipient of the Academic Ace Award and has been on the honor roll since her freshman year of high school. She participates in volleyball, basketball and softball and is a varsity letter winner in all three sports. In 2017, Tomshack co-organized the St. Paul softball camp. She has the distinction of having had perfect attendance from her freshman through junior years.
Tomshack is employed and plans to study and pursue a career in electrical engineering upon graduation.