Carolyn Kirby practised as a solicitor in Swansea for twenty years. In 1999 she was elected to the Law Society Council representing Mid and West Wales and in the same year became President of the Mental Health Review Tribunal for Wales. In 2002, she was elected President of the Law Society of England and Wales, the first woman to hold that post.
She holds honorary doctorates from the University of Cardiff, the University of Wales Trinity St David and the University of the West of England.
In addition, she chairs a South Wales based cancer charity which she co-founded in 1993, and in 2016 she was awarded the OBE for services to justice and to cancer care.
Carolyn is a licensed lay worship leader and acts as legal registrar to the Archdeacon of Gower as well as being a judge of the Church in Wales Disciplinary Court and of the Provincial Court.