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1929 Londonderry by-election 
Summary
The 1929 Londonderry by-election was held on 29 January 1929. The by-election was held due to the appointment as High court judge of the incumbent UUP MP, Malcolm Macnaghten. It was won by the UUP candidate Ronald Deane Ross.[1] who was unopposed.
References
edit- ^ Leigh Rayment's Historical List of MPs