Brennan Mae Smart was born and died March 13, 2021, at Barnes-Jewish Hospital in St. Louis. Brennan was the daughter of Joseph A. and Hallie M. (Ballow) Smart of De Soto.
In addition to her parents, she is survived by two brothers: Cayden and Drayden Smart; her grandparents: Mike and Gina Ballow of De Soto and Jackie Hisler of Arnold; and numerous other relatives and friends.
She was preceded in death by a grandfather: Rocky Haynes.
Family and friends are invited to celebrate and remember Brennan from 1-3 p.m. Saturday, March 27, at Mahn Funeral Home, 900 N. Main St., in De Soto. Memorials may be made to the family. Arrangements are under the direction of Mahn Funeral Home.