The couple will be married in a 4 p.m. ceremony on June 21, 2008, at the home of the bride's aunt and uncle, Gayle and Dennis Vonk of Le Mars.
The reception will follow at Century Hall on the Plymouth County Fairgrounds in Le Mars.
Kaitlin is a student at the University of South Dakota and is employed with Iowa State University Northwest Research Farm.
Trevor is a graduate of WyoTech in Laramie, Wyo., and is employed at ICON Ag. Solutions in Ireton.