Helen Joanne "Jo" Cox (née Leadbeater; 22 June 1974 – 16 June 2016) was an English UK Labour Party politician. She was the Member of Parliament (MP) for the constituency of Batley and Spen from her election in May 2015 until her death in June 2016. She won the seat with an increased majority for Labour in the 2015 general election. She also worked at humanitarian organisation Oxfam.
On 16 June 2016, Cox was shot and stabbed multiple times in Birstall, where she had been holding a small meeting with her constituents. She was left in critical condition and died from her injuries about an hour later at the age of 41. A 52-year-old man was arrested in connection with the attack.
- "No. 61230". The London Gazette. 18 May 2015. p. 9119.
- Carr, Tim; Dale, Iain; Waller, Robert (18 May 2015). The Politicos Guide to the New House of Commons 2015: Profiles of the New MPs and Analysis of the 2015 General Election Results. Biteback Publishing. ISBN 9781849549240.
- "Batley & Spen Parliamentary constituency". BBC News. 8 May 2015. Retrieved 8 May 2015.
- "Jo Cox MP dead after shooting attack". BBC News. 16 June 2016. Retrieved 16 June 2016.