Eccleston was raised on the Osage Indian reservation in Oklahoma and was adopted by the Osage tribe. Raised in an oilfield camp with her oil producing father and grandfather. Graduate of the University of Wyoming and past owner of a gunshop and is co-owner of the Sunnyside Bed & Breakfast in Eureka Springs, Arkansas. Currently she is a cofounder of Mary Martha Outreach in Bartlesville, Oklahoma.