She was a member of the Nichols Street Church of Christ and a former member of The Church of Christ in Refugio.
McDonnel was born in Corpus Christi on Sept. 15, 1929, to Walter James and Willine Mead Bickford.
She is preceded in death by her parents; her husband, Thomas Elton McDonnel Jr.; two sisters, Nedra Lois Jones; and Billie Mae Bickford.
Survivors include one sister, Norma L. Gates of Bay City; three nephews and their spouses, Kenneth Wayne Gates and Rose Marie of Corpus Christi; David Michael Gates and Katherine of Dayton; Richard Jones and Laura of Houston.
Funeral services were conducted on Saturday, April 11, at 2 p.m. at Moore Funeral Home Chapel with the Rev. Brother Craig Van Dyke officiating. Burial was in Oakwood Cemetery.