
1GC | Family Law
Lawyers

Olivia Magennis
- Phone02077977900
- Email[email protected]
- Profile1gc.com
Position
Olivia specialises in Family Law as it relates to children, she acts in all levels of court and has appeared in the High Court and Court of Appeal both with and without a leader.
In Public Law, Olivia represents Local Authorities, parents and children in the Family/High Court and the Court of Appeal, with a focus on the most complicated medical cases involving allegations of causing death / permanent disability of children (e.g. inflicted fatal head injury, insulin poisoning and systematic abuse cases). Olivia also has extensive experience of cases involving allegations of Fabricated or Induced Illness.
In Private Law, Olivia focuses on the most complex of disputes where she has a wealth of experience in cases involving international / internal relocation, alienating behaviours, allegations of sexual abuse, domestic abuse, vulnerable clients and children competent to give instructions.
Olivia also acts in cases involving donor-conceived children and children born through surrogacy arrangements. She has appeared in the High Court and Court of Appeal in such cases, including applications for parental orders, declarations of parentage and private law disputes.
Notable cases:
H & Anor v S & Anor [2024] EWHC 730
Re C (Surrogacy: Consent) [2023] EWCA Civ 16
Z (Surrogacy: Step-parent Adoption), Re [2024] EWFC 20
X v Y [2022] EWFC 77
Re Ms L; Ms M (Declaration of Parentage) [2022] EWFC 38
X (A Child: Surrogacy: Marriage) [2018] EWFC 15
Williams & Anor v LB Hackney [2018] UKSC 37
Re B [2018] EWCA Civ 20
X County Council v AB [2015] EWFC 98
PD v SD [2015] EWHC 4103 (Fam)
P v Local Authority [2016] EWHC 2779 (Fam)
A Local Authority v B [2017] EWCA Civ 1635
Career
Year of Call: 2005, Lincoln’s Inn
Recorder (Crown Court)
Children Arbitrator (IFLA) 2021 MCIArb
South-Eastern Circuit Advocacy Scholarship, Levin College of Law, University of Florida, US (2009)
Pegasus Scholarship: Washington DC, USA (2010)
Languages
French, Spanish, Russian
Memberships
Family Law Bar Association South-Eastern Circuit Midlands Circuit
Education
BA Hons, Law, Christ’s College, Cambridge
BVC, Inns of Court School of Law (2004)
MA, Cantab (2007)
Bilingual Summer School in International Criminal Law, Leiden University, Netherlands (2008)