Ruth was an air flight controller and attended the First United Methodist Church.
Ruth is survived by one sister, Kathryn Howard, Fort Smith, Ark.; a niece, Cindy Leach, Fort Smith; two grandchildren, Jason Berard and Nicole Berard; several nieces and nephews.
She is preceded in death by her parents, her husband Bob McCalmont, one daughter and one son.
A memorial service for Ruth will be held at the First United Methodist Church on Tuesday, Jan. 10, at 11 a.m. with Pastor Bob Howard officiating.
Burial will be at a later date in the Fort Scott National Cemetery, Fort Scott, Kan.
Arrangements are by Shadel's Colonial Chapel, 1001 N. Lynn, Lebanon, Mo., 65536.