Cecilia Mayr was born in Votuporanga, Sao Paulo, Brazil. She studied Fine Art and Philosophy, earning her degree in Fine art and cartoon animation in 1977. She worked in Sao Paulo and Riode Janeiro with artist Pedro Sanchez. Her early professional experience came in creating animated television commercials and comic books from 1976 to 1977, in Brazil. After traveling to Spain and Italy, she moved to United States in 1978, taking residency in Phoenix. Spending five years in graphic design. In 1984 Cecilia faced the need for inner expression and worked at a studio downtown Phoenix painting watercolor and mono prints.
In 1988, she moved to Fort Lauderdale, Florida. The desert beckoned her back to Phoenix in the end of 1990. From the end of 1992 to May of 1998 while living in Scottsdale, her work was shown in various galleries in Phoenix, Scottsdale, Chicago, New York, San Francisco, London. She currently resides in Seattle, WA. Her works are sold in many parts of the world.