Gillian O’Connor

Practice Areas

Gillian is an MA (Hons) graduate of University College Dublin and has been a practising litigation solicitor for over 30 years. Gillian joined ACL in 2001. Prior to this she ran her own successful private practice for over 10 years specialising in defending medical negligence actions on behalf of various health boards. She now specialises solely in complex medical negligence litigation with ACL.

Sample Cases:

Cerebral Palsy

Conroy –v– Rotunda Hospital

Lump sum damages award of €5,250,000 plus costs in 2009. Read more…

Sheehan –v– Dr David Corr

Again, in the area of Cerebral palsy arising from an Obstetricians failure to diagnose rhesus incompatibility disease (involving anti-E antibodies) during pregnancy, a two year interim award of €1.9million was made.  October 2011 Read more…

After an 8 day Trial further interim award for two years only in the sum of €635,000 plus costs. November 2013 Read more…

Cian Brady –v– Rotunda Hospital

Cerebral Palsy arising from negligent mis-management of a neonatal infant with symptomatic hypo-glycaemia/hypothermia and not properly diagnosed.  Infant suffered serious brain damage.  Award of €5.5 million plus costs – 2012 Read more…

Oncology

Malone –v– Our Lady’s Hospital For Sick Children and Others

Complex action concerning acquired neurological injury of an infant resulting from the excessive use of chemotherapy in treating childhood leukemia with an award of €2.7 million and costs. October 2008 Read more…

B –v– Nicholas Jermyn

Proceedings were initiated on behalf of the Plaintiff for failure to diagnose breast cancer resulting in mastectomy and removal of spleen. The case settled 2 months before Trial for the sum of €400,000.00 plus costs. September 2008

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F –v– Health Service Executive

Failure to diagnose breast cancer resulting in mastectomy, depressed immune system and serious infection causing malignant otitis externa and osteomyelitis with an award of €750,000 and costs. (2010)

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Acquired Brain Injury

Lennon –v– Health Service Executive

Interim award in February 2011 was €2.4 million and costs.
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April 2013, further interim award for one year only €310,000 plus costs.
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June 2014 – Third interim award for three years –€895,000 plus costs.
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July 2017, Plaintiff Receives 4th Interim Award Totalling €1.6 million

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Membership of Organisations

  • Member of Action for Victims of Medical Accidents (AvMA) Lawyers Resource Service
  • Member of the Dublin Solicitors Bar Association
  • Member of (Medical Injuries Alliance (M.I.A.)

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