jats:titleAbstract</jats:title>jats:p Any study of religiosity in the Graeco-Roman world must include an account of the Jewish experience, so often seen as precursor or shadowy reflection, of the Christian. Here the primary sources are archaeological and epigraphic, with literary texts reflecting the intentions of sometimes hostile observers. Exploring these sources affords more glimpses than might be expected of the impact of religious identity on social and domestic life, but also demonstrates the fluidity between the categories of domestic or family and institutional, provoking questions that are equally applicable to the ‘pagan’ and Christian contexts.</jats:p>