Sean and Marie O’Connor welcomed Sinéad Marie Bernadette into the world in Dublin, Ireland, on December 8, 1966. His father was an engineer who eventually graduated from law school and held the position of Chairperson of the Irish Divorce Action Group. He had a stay-at-home mother. Sinéad was born into a difficult family. She was eight years old when her parents got divorced, and her mother was handed custody of the three older children. When she was 13 years old, her father was granted custody of them following a protracted legal battle. Sinéad alleges that she and her siblings experienced physical abuse and violence while living with her mother. Since then, she has spent her entire life advocating for and speaking out against the reduction of child abuse.

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Sinéad O’Connor siblings: Eimear O’Connor, Joseph O’Connor, Eoin O’Connor, John O’Connor

There are three brothers named Joseph, John, and Eoin, one sister named Eimear, and four total siblings. Her older brother Joseph is a prominent novelist and broadcaster.

Joseph O’Connor

Joseph Victor O’Connor is an Irish author of books. His historical novel Star of the Sea, published in 2002, peaked at number one on the global bestseller list. Before becoming a well-known novelist, he was a journalist for Esquire and the Sunday Tribune.

Eimear O’Connor

Dr. Éimear O’Connor HRHA earned her doctorate in 2008 from the School of Art History and Cultural Policy at the University College Dublin for a thesis on the life and work of Irish artist Seán Keating. Seán Keating: Art, Politics, and Building the Irish Nation, the biography she co-wrote with Irish Academic Press, was published in 2013.

Eoin O’Connor

Eoin, an Irish screenwriter, is now engaged in a number of ambitious features. He recently finished the BBC Drama Productions Writers’ Scheme and won the 2016 Meyer-Whitworth Award. There are three brothers named Joseph, John, and Eoin, one sister named Eimear, and four total siblings. Her older brother Joseph is a prominent novelist and broadcaster.

John O’Connor

John O’Connor is both a writer and an editor. His other works include the three-volume A Directory of Shakespeare in Performance and one of his books, Shakespearean Afterlives: Ten Characters with a Life of Their Own (Icon, Cambridge) (Palgrave Macmillan; co-edited with Katie Goodland at CUNY).
O’Connor is a former major professor of English and education at Westminster College in Oxford, the editor of the Longman School Shakespeare series, and a guest speaker at the Shakespeare Institute.