Martha Boswell was an American singer and actress, known for her contributions to the music and entertainment industry during the early to mid-20th century. She gained popularity as a member of the Boswell Sisters, a vocal trio that blended jazz and pop music, showcasing their harmonies and unique style. In addition to her singing career, Martha Boswell appeared in several films and radio shows, further establishing her presence in the entertainment world. The Boswell Sisters were influential in shaping the sound of vocal groups, paving the way for future artists in the genre.