The St. Louis, Missouri Chapter of Jack and Jill was started as a Mothers’ Club and organized by Hortense Brooks on February 3, 1947. In addition to Hortense Brooks, the membership included:
- Joy Blanche
- Marie Burrows
- Vivian DeShields
- Alice Edwards
- Sue Lucas
- Carolyn McClellan
- Melba Parker
- Antoinette Robinson Elizabeth Williamson