Casey was born and raised in Dallas. She has worked as a data reporter for The Sacramento Observer via Report for America and as a digital producer at KSHB 41 in Kansas City. At the University of Missouri, she studied journalism and English with a minor in economics, and did everything from radio journalism for KBIA, the local NPR affiliate, to sketch comedy. She has also taught creative writing and worked for a literary magazine, and currently runs a podcast about books with friends from Kansas City.