Taking a cue from contemporary observers of religious culture, as well as modern scholars of early American religion, social history, material culture, and ethnohistory, Laura M. Chmielewski explores this encounter between opposing Christianities on an early American frontier. She examines the forms of lived religion and religious culture—enacted through gestures, religious spaces, objects, and discreet religious expressions—to elucidate the range of experience of its diverse inhabitants: accused witches, warrior Jesuits, unorthodox ministers, indigenous religious thinkers, voluntary and involuntary converts. Chmielewski offers a nuanced perspective of the structured categories of early American Christian religious life, suggesting that the terms “Protestant” and “Catholic” varied according to location and circumstances and that the assumptions accompanying their use had long-term consequences for generations of New Englanders.