| Warwick (1832 - 1885) |
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| Warwickshire Northern (1832 - 1885) |
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| Warwickshire Southern (1832 - 1885) |
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| Waterford [borough] (1832 - 1922) |
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| Waterford [county] (1832 - 1885) |
Constituency of same name also existed 1918-1922. |
| Wednesbury (1832 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Wells (1832 - 2024) |
Full name (in Craig 2,3,4) Somerset, Wells |
| Wenlock (1832 - 1885) |
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| Westbury (1832 - 2010) |
Full name (in Craig 2,3,4) Wiltshire, Westbury |
| Westmeath (1832 - 1885) |
Constituency of same name also existed 1918-1922. |
| Westminster (1832 - 1918) |
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| Westmorland (1832 - 1885) |
Constituency of same name also existed 1918-1974ยน. |
| Wexford [borough] (1832 - 1885) |
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| Wexford [county] (1832 - 1885) |
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| Weymouth and Melcombe Regis (1832 - 1885) |
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| Whitby (1832 - 1918) |
Full name (in Craig 2) Yorkshire (North Riding), Whitby |
| Whitehaven (1832 - 1983) |
Full name (in Craig 3,4) Cumberland, Whitehaven |
| Wick District of Burghs (1832 - 1918) |
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| Wicklow (1832 - 1885) |
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| Wigan (1832) |
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| Wigtown District of Burghs (1832 - 1885) |
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| Wigtownshire (1832 - 1918) |
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| Wilton (1832 - 1918) |
Full name (in Craig 2) Wiltshire, Wilton |
| Wiltshire Northern (1832 - 1885) |
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| Wiltshire Southern (1832 - 1885) |
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