Born Jan. 5, 1936, in Sullivan, she was the daughter of William and Ellen Mae (McGuire) Brooks.
She worked as a nurse's aide at Mary Sherman Hospital in Sullivan. She was a member of American Legion and VFW Auxiliaries.
Survivors include two daughters, Pam Irwin of Sullivan and Cindy Britt of Salem, Ill.; one son, Steve Irwin of Abilene, Texas; one brother, John Brooks of Sullivan; one sister, Ada Kirk of Marshall, Ill.; 11 grandchildren; and six great grandchildren.
She was preceded in death by her husband, Willis Wayne Irwin; one son, Rick Irwin; two sisters; and her parents.
Graveside service will be at 2:30 p.m. on Saturday at Center Ridge Cemetery in Sullivan with the Rev. Howard Sewell officiating.
Friends may call from noon until 2 p.m. on Saturday at Alexander-Kean Funeral Home in Sullivan.