The article presents an analysis regarding Charles Peirce's cosmology about the growing self. It attempts to apply Peirce's thoughts about abduction and the growth of cosmic ideas to the growth of the self. It addresses Peirce's anthropomorphism from the concept of the Peircean cosmology to a model of the growing self and provides an account of the Peircean growing cosmos. Also, it examines the concept of habit-taking as the fundamental characteristic of the evolving Peircean cosmos. It analyzes Peirce's theory of abduction and the transformation it underwent during the 19th century.