The constituency, known as South East Lancashire, Eccles Division, was defined as consisting of the civil parishes of Barton upon Irwell, Clifton, Flixton, Urmston, Worsley and the part of the parish of Pendlebury not in the Parliamentary Borough of Salford.

[1] The Representation of the People Act 1918 redrew all constituencies in Great Britain and Ireland.

The seat was renamed Eccles Borough Constituency by the Representation of the People Act 1948.

[1] In 1983 constituency boundaries were altered to align with the new administrative geography introduced by the Local Government Act 1972.

Eccles became a borough constituency in the parliamentary county of Greater Manchester, consisting of seven wards of the City of Salford: Barton, Eccles, Pendlebury, Swinton North, Swinton South, Weaste and Seedley, and Winton.