Catholic Record Society – founded in 1904 the Catholic Record Society is the premier Catholic historical society in the United Kingdom and is devoted to the study of Roman Catholicism in the British Isles from the Reformation to the present day.
Catholic Archives Society – founded in 1979 to promote the care and preservation of records of dioceses, religious foundations, institutions and societies of the Roman Catholic Church in the United Kingdom and the Republic of Ireland.
The English Catholic History Association – formed in 1991 to encourage interest in the Catholic history of England and Wales. ECHA arranges visits to places of Catholic interest, supports research into aspects of English Catholic history, and issues a quarterly newsletter for members.
North-Eastern Catholic History Society – founded in 1974 to promote research into the history of the Roman Catholic Church in the north eastern counties of England.
The North-West Catholic History Society – promotes the study of the history of the Catholic Church
in the region west of the Pennines, the old counties of Cheshire, Cumberland, Lancashire, and Westmorland
The Postgate Society – the Catholic History Society in the Diocese of Middlesborough
The Essex Recusant Society – the Catholic History Society for the South East
Downside Abbey History Office – Downside Abbey is a centre of historical research with an extensive library and archive centre.
Irecusant – English Catholic History 1558 – 2009