Although internal influences existed within Bukusu society, women largely remained stable within, and responsive to, established cultural expectations. However, exposure to external interventions, particularly Christian missionary activity, marked the beginning of new male and female role dynamics. This study examines the influence of Christian missionary activity on the roles of Bukusu women in Bungoma County, western Kenya, from the late nineteenth century to the mid-twentieth century. It proceeds from the observation that many internal social transformations became more visible in the context of missionary encounter. Drawing on oral narratives, archival materials, secondary sources, and ethnographic interpretation, the study argues that missionary engagement with Bukusu society produced neither wholesale cultural rupture nor straightforward continuity. Rather, Bukusu women selectively appropriated missionary education, religious practices, and health interventions to renegotiate domestic authority, moral legitimacy, and social visibility. By foregrounding women’s voices, the study demonstrates how missionary influence was mediated through locally embedded sex-based logics, kinship obligations, and moral economies, revealing a process of cultural negotiation rather than passive reception.