Andrea O'Reilly (born 1961) is a writer on women's issues and currently a Professor in the School of Women's Studies at York University in Toronto, Ontario, Canada. O'Reilly is the mother of writer Clementine Morrigan. [1] Morrigan has written extensively about experiencing childhood sexual abuse in her family of origin, and in 2024 O'Reilly threatened to sue Morrigan for writing publicly about this. [2] On August 18, 2025, Morrigan publicly named O'Reilly as her mother for the first time. [3]
O'Reilly founded the Association for Research on Mothering (ARM) at York University in 1998 and ran it until it closed in 2010. [4] Its disbandment led to the inception of a new organization, the Motherhood Initiative for Research and Community Involvement (MIRCI). [5] She is founder and editor-in-chief of the Journal of the Association for Research on Mothering, now the Journal of the Motherhood Initiative for Research and Community Involvement. [5] In 2006, as director of ARM, she founded Demeter Press, the first feminist press on motherhood. As well, she is founder of the feminist mothers group "Mother Outlaws". [6]
She is also the author and editor of eighteen books on motherhood. [7]