Eloise was born October 29, 1940 in Mitchell County, Camilla, Georgia, to Winnie Lee Mixon.  She was one of four children.  S he was educated at Camilla Consolidated High School.  She attended Florida State College in Jacksonville, Florida, where she received her Bachelors of Arts in Business Administration.  Eloise later received a Master's in Business Administration.

She was baptized at an early age at Union Missionary Baptist Church in Camilla, Georgia.  In 1971, the former Ms. Thomas was united in marriage to Gartrell Williams, who preceded her in death in 2007.

Eloise was a Supervisor for Blue Cross Blue Shield Fraud Division for over forty years.

In addition to her parents and husband, she was preceded in death by two brothers, Wayne Mixon and James Masten.

To celebrate and cherish her memories, Eloise leaves a brother, Michael Eugene Mixon of Camilla, Georgia; three nieces, Kaotris Mixon-Clayton (Oscar) of Pelham, Georgia, Ethel Masten of Newport News, Virginia, Jane Masten of Atlanta, Georgia; five great nieces and nephews, Anntenette Masten of Newport News, Virginia, Janae Ball of Atlanta, Georgia, Kentravius Mixon of Pelham, Georgia, Tra'Veon Clayton of Pelham, Georgia, Ty'ke Clayton of Pelham, Georgia; four great great nieces and nephews; other relatives and faithful friends, Geraldine West, Susan Kruel, Herbert Heath, Martine Cummins and Azaleen of Jacksonville, Florida; and a host of other friends.