Mary Buchanan, 82, of Shell Rock, formerly of Waterloo, died Saturday, April 12, 2025, at the Shell Rock Health Care Center. She was born March 25, 1943, in Waterloo, daughter of Edward and Dorothy (Campagna) Trierweiler. She graduated from Columbus High School.
She married Lloyd Buchanan in 1966, they later divorced. Mary worked for 15 years for the Black Hawk County Health department as a home health care aid, retiring in 2003. She also volunteered for several years as a senior companion.
Mary enjoyed working with her hands, especially crocheting, sewing blankets, and baking. She was a selfless, giving person, often returning favors with baked goods. She will be remembered for her dry humor, wit and charm.
She is survived by her children: Lloyd Buchanan, Jr. of Waterloo, Robert (Alisa) Buchanan of Brandon, Tammy Buchanan of Waterloo, and Leann (Curt) Atkins of Waverly; her sisters: Barbara Smith, Marlene Wright, Karen Buchanan, and Collett McCabe; brother Edward (Charlene) Trierweiler; grandchildren: Nicole and Mikel Buchanan, and Jacob and Paige Atkins; and great-grandchildren: Elliott and Violet.
She was preceded in death by her parents and sister, Nancy Sizemore.