Delores was born on March 14, 1929 in the Town of Waupun to August and Erna (Wegner) Lange. She was baptized and confirmed at Brandon Emanuel Lutheran Church. She was a graduate of Brandon High School and Oshkosh Business College. She was a secretary for Greg L. Sitter of Oshkosh before her marriage.

Delores married Erwin Eckert of Markesan on August 14, 1949 at Emanuel Lutheran Church in Brandon, and she and Erwin farmed near Markesan. She also worked for Emery Paul, Attorney, in Markesan during income tax season. She was a member of St. John's Lutheran Church in Markesan and the Wisconsin Master Farmers Association. She also served on the Board of Christian Fellowship at St. John's.

Delores loved her family and enjoyed polka music, car racing, reading and playing Bingo.

Delores is survived by her sons, Wayne (Betty) Eckert and Steven (Jill) Eckert, both of Markesan; one grandson, Brock Harvey of Markesan; sister, Marjorie Schmuhl of Markesan; sister-in-law, Miriam Erickson of Fish Creek; nieces, nephews, other relatives and friends.

Preceding her in death were her husband, Erwin in 2004; her parents; parents-in-law; and brothers-in-law, Arthur Schmuhl and Howard Erickson.