Wentworth and Dearne was a constituency[n 1] in South Yorkshire represented in the House of Commons of the UK Parliament since its 2010 creation by John Healey, a member of the Labour Party who served as Shadow Secretary of State for Defence from 2020.

[3] John Healey held a continuous period of frontbench positions, withstanding during this time various rotations of the Labour frontbench – the positions were: In September 2015 he was appointed Shadow Minister for Housing (attending Shadow Cabinet).

The seat comprises satellite settlements to two large Yorkshire towns, separated by green buffers, in a band north of Rotherham and southeast of Barnsley and as such has the electoral wards: Most of the constituency succeeded Wentworth, however the large settlement of Dearne was instead the largest in Barnsley East and Mexborough.

The South Yorkshire settlements grew in the seat into primarily large town size developments from the large presence of coal leading to extensive mining in this area, coupled with convenient proximity to Sheffield, the canals and rivers network, as well as to Doncaster, York, Wakefield and Leeds.

Workless claimants who were registered jobseekers were in November 2012 higher than the national average of 3.8%, at 5.6% of the population, based on a statistical compilation by The Guardian.