Martha “Marty” Sue Sedar passed away August 7th 2026, at 71, in her hometown of Casper Wyoming. Marty was 1 of 6 children by the late Mary Lou Knox and Bob Sedar. She is survived by her sisters Marilee Markham, Tracey Sherrill, Lori Swenson and Anna Markham, her brother Thomas Sedar and her beloved son Louis Valentino Montoya II.

Marty graduated Natrona County High School in 1973 and from there marched to the beat of her own drum. She has made countless friends all over Wyoming and the memories of her will live on through us all. 

In accordance with Marty's wishes, no ceremony is planned.