This article investigates the power, and the politics, of Christian love on the Australian settler‐colonial frontier through the case study of two evangelical missionaries, Daniel and Janet Matthews, during their time at Maloga Mission (a non‐denominational mission to the Aboriginal people of the Murray River which they founded on its northern banks in 1874). Whether protested in private missives, professed in public tracts, or proclaimed to their assembled audiences, Christian love played a vital role in the both the secular justification, and the sacred sanctification, of the Matthews' mission. Yet in practice, the operation of this emotion was complex. Through an exploration of the role of Christian love in the life of Maloga mission and its missionaries, this article will show how the intricacies of its formulation, expression, reception, and reciprocation make this a crucial if often overlooked concept for the study of mission history, and specifically, in this case, the study of nineteenth‐century settler‐colonial missions.