Geraldine Keams was born on August 19, 1951, in Flagstaff, Arizona, and raised on the Navajo reservation. She pursued drama and film studies at the University of Arizona before moving to New York City to further her career in theater.

Geraldine Keams is best known for her roles in television series and films, often portraying strong maternal figures. Her film debut was in Clint Eastwood's "The Outlaw Josey Wales" (1976), where she played Little Moonlight. Over the years, she has appeared in numerous productions, including "Twin Peaks," "Northern Exposure," and "Rutherford Falls."

She is dedicated to storytelling and education. She conducts workshops and live performances that celebrate Native American culture. She is also a resident artist at the Los Angeles Music Center and has authored two books, "Grandmother Spider Brings the Sun" and "Snail Girl Brings Water."

Her contributions to Native American cinema and culture have made her a respected figure in the entertainment industry.

Throughout her career, she has received recognition for her work, including a recurring role in the Peacock sitcom "Rutherford Falls" (2021), where she was described as "Navajo royalty" by the showrunner.