The late Marion Stubbs Thomas founded Jack and Jill of America, Incorporated, on January 24, 1938, in Philadelphia, Pennsylvania. Twenty mothers came together to discuss creating an organization to provide social, cultural and educational opportunities for youth between the ages of 2 and 19. In 1946, 10 chapters were involved in the national restructuring process. The constitution and bylaws were drawn up, and the organization was incorporated under the laws of the state of Delaware.

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Today, Jack and Jill boasts 252 chapters nationwide, representing more than 40,000 family members. As the largest African-American family organization in the United States -- Jack and Jill of America, Inc. is committed to ensuring that ALL children have the same opportunities in life.