Papers of Sir Con O'Neill

Scope and Content

Correspondence and papers of Sir Con O'Neill, mainly concerning Britain's relations with the European Union.

Administrative / Biographical History

Sir Con O'Neill (1912-88) was a diplomat. He led the British officials in the delegation to negotiate Britain's membership of the European Union (formerly the European Economic Community), 1969-72. Details are given in Who Was Who.

Access Information

Entry to read in the Library is permitted only on presentation of a valid reader's card (for admissions procedures see

Acquisition Information

The papers were given to the Library in 1995.


Collection level description created by Emily Tarrant, Department of Special Collections and Western Manuscripts.

Other Finding Aids

A full description is available in the Library.

Corporate Names