1940 Swan by-election

A by-election was held for the Australian House of Representatives seat of Swan on 21 December 1940. This was triggered by the death of Country Party MP Henry Gregory.

1940 Swan by-election

21 December 1940

First party Second party   ALP Candidate Thomas Marwick Jim Dinan Party Country Labor Popular vote 12,354 16,729 Percentage 27.6% 37.4% Swing 1.6pp 9.2pp TPP 52.3% 47.3% TPP swing 5.2pp 5.2pp   Third party Fourth party   IND Candidate Percy Ferguson Claude Barker Party Country Independent Popular vote 10,628 4,980 Percentage 23.8% 11.1% Swing 23.8pp 11.1pp

MP before election Henry Gregory Country Elected MP Thomas Marwick Country

The by-election was won by Country Party candidate Thomas Marwick, who had been a member of the Senate from 1936 to 1937.

Results

Swan by-election, 1940

Party		Candidate	Votes	%	±%
	Labor	Jim Dinan	16,729	37.4	+9.2
	Country	Thomas Marwick	12,354	27.6	−1.6
	Country	Percy Ferguson	10,628	23.8	+23.8
	Independent	Claude Barker	4,980	11.1	+11.1
Total formal votes			44,691	98.5
Informal votes			701	1.5
Turnout			45,392	84.6
Two-party-preferred result
	Country	Thomas Marwick	23,537	52.3	−5.2
	Labor	Jim Dinan	21,154	47.3	+5.2
	Country hold		Swing	−5.2