[3] Swan graduated from Central High School in Cape Girardeau, after which she earned a B.S in nursing from Southeast Missouri State University.

As a nurse she has worked in a variety of areas including progressive care, employee health, infection control, administrative supervision, and as a clinical instructor.

Swan is the president of JCS Wireless, a small wireless communications company with offices in Cape Girardeau, Perryville, Missouri and Chester, Illinois.

[4] In 2018, Swan proposed house bill HB1665 to allow high schools to temporarily hire professionals without an education degree but with a bachelor's degree in their subject area.

[5][6] In 2018, Swan proposed house bill HB1667 to established a rebuttable legal presumption of shared parenting after divorce or separation.