Mrs. Mays has served on the Board of many organizations, San Antonio Museum of Art; McNay Art Museum; Autry National Center; National Museum of Wildlife Art; Lady Bird Johnson Wildflower Center and San Antonio Botanical Gardens. In addition, she was President and Chairman of the Board of The Charity Ball Association, President of the Southwest Foundation Forum, and a board member of the CTRC and the Library Foundation. In 2004, Mrs. Mays was named Volunteer of the Year by the Junior League of San Antonio and also received the Motherhood-Lifetime Achievement Award from Texans CAN!