This chapter examines the divergent means of imposing criminal responsibility for corporate manslaughter in two comparable common law jurisdictions: Ireland and England and Wales. First, it explores the methodological limitations of gauging the true extent of work--related fatalities in both jurisdictions and investigates, insofar as is possible, the interplay between gender and workplace deaths across selected member states of the European Union (EU). Secondly, the chapter traces the development of the law of corporate manslaughter from the imposition of corporate criminal liability via the common law "identification doctrine" to the proposals for law reform in Ireland and the introduction of a direct corporate liability homicide offence in the United Kingdom (UK). Thirdly, the chapter accepts the challenge set by Jeremy Horder to take "the intellectual leap out of the Marxist moral--political rut in which corporate manslaughter scholarship has largely been stuck" and explores a provision of the Corporate Manslaughter and Corporate Homicide Act 2007, which has been neglected by criminologists and criminal law scholars - the application of the legislation to deaths to custody -an aspect of the Act, which was unsurprisingly very controversial at the time (Horder, 2012: 116). Building on the literature that examines the applicability of the 2007 legislation to National Health Service Trusts (Horder, 2012) and to the police (Griffin and Moran, 2010), this chapter opens up