“Gender theory”, and the more hostile “gender ideology”, are prominent terms in Catholic rhetoric around transness, feminism and queerness. They encompass a broad range of theoretical and political developments that stake out a social transformation that many Catholic commentators see as incompatible with Catholicism – not to mention a threat to institutions such as the family and traditional sexual values. While this rhetoric has received a great deal of attention in secular scholarship, often focusing on its wider context as part of national and international anti-gender movements, it has been given relatively little attention in Catholic academic inquiry. The upshot [...]