Context: 1832–1868. Extract from 1837 result: the central, doubly blue area.
1832–1885: The Hundreds of Oswestry, Pimhill, North Bradford and South Bradford, as well as the Liberty of Shrewsbury.[3]
1983–1997: The District of North Shropshire, the Borough of Oswestry, and the District of The Wrekin wards of Church Aston, Edgmond, Ercall Magna, Newport East, Newport North, and Newport West.
1997–2024: The District of North Shropshire and the Borough of Oswestry.
The district councils of North Shropshire and Oswestry were abolished in 2009, but the constituency boundaries remained unaltered.
2024–present: The County of Shropshire electoral districts of: Ellesmere Urban; Gobowen, Selattyn and Weston Rhyn; Llanymynech; Market Drayton East; Market Drayton West; Oswestry East; Oswestry South; Oswestry West; Prees; Ruyton and Baschurch; St. Martin’s; St. Oswald; Shawbury; The Meres; Wem; Whitchurch North; Whitchurch South; Whittington.[4]
The constituency was reduced in size to bring the electorate within the permitted range by transferring the electoral districts of Cheswardine and Hodnet to The Wrekin.
From its first creation in 1832 to the abolition of the first creation in 1885 the constituency covered approximately half of the county and elected two members, formally Knights of the Shire. In 1885 the county was (together with South Shropshire) divided between four constituencies: Ludlow, Newport, Oswestry and Wellington.
In December 2023, the Labour Party included the seat in its published list of 211 non-battleground seats, indicating they did not see it as necessary to win in order to gain a majority at the 2024 general election,[9] when it was retained by Helen Morgan on a further swing to the Liberal Democrats. Compared to the notional 2019 results the overall swing was 41.3%.
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^"Al Derby". Who Can I Vote For? by Democracy Club. 14 December 2021. Archived from the original on 2 April 2015.{{cite web}}: CS1 maint: unfit URL (link)
Craig, F. W. S. (1989) [1977]. British parliamentary election results 1832–1885 (2nd ed.). Chichester: Parliamentary Research Services. pp. 446–447. ISBN0-900178-26-4.