Which Conservative predecessor of current Macclesfield representative David Rutley resigned causing a 1939 by election?
Macclesfield by-election, 1939:  The by-election was held due to the resignation of the incumbent Conservative MP, John Remer. Macclesfield (UK Parliament constituency): Macclesfield is a constituency represented in the House of Commons of the UK Parliament since 2010 by David Rutley, a Conservative.
John Remer