Electoral results for the district of Darling Harbour

1917 New South Wales state election: Darling Harbour ^[6]

Party		Candidate	Votes	%	±%
	Labor	John Cochran	3,264	73.2	+8.3
	Nationalist	William Phillips	1,130	25.3	+25.3
	Independent	William McMahon	65	1.5	+1.5
Total formal votes			4,459	98.3	+2.7
Informal votes			77	1.7	−2.7
Turnout			4,536	46.8	−7.6
	Labor hold		Swing	+8.3

1913 New South Wales state election: Darling Harbour ^[7][8]

Party		Candidate	Votes	%	±%
	Labor	John Cochran	3,585	64.9
	Independent Labor	Andrew Thomson	1,691	30.6
	Australasian Socialist	Frederick Riley	202	3.7
	Independent	Arthur Gloag	45	0.8
Total formal votes			5,523	95.6
Informal votes			255	4.4
Turnout			5,778	54.4
	Labor hold

1910 New South Wales state election: Darling Harbour ^[9]

Party		Candidate	Votes	%	±%
	Labour	John Cochran	2,998	65.4	+22.7
	Independent Labour	Andrew Thomson	1,586	34.6
Total formal votes			4,584	96.1	−0.6
Informal votes			187	3.9	+0.6
Turnout			4,771	59.7	−7.2
	Labour gain from Independent

• John Norton (Independent) had won the 1907 election for Darling Harbour; however, he resigned to stand as a Senator for NSW at the 1910 federal election. The by-election in April 1910 was won by John Cochran (Labour) who retained the seat at this election.

1910 Darling Harbour by-election
Wednesday 13 April ^[10]

Party		Candidate	Votes	%	±%
	Labour	John Cochran	1,592	76.3	+51.6
	Independent Labor	William Macey	311	14.9
	Liberal Reform	Henry Kelly	164	7.9	−6.1
	Independent	James Jones	21	1.0
Total formal votes			2,088	98.3	+1.7
Informal votes			36	1.7	−1.7
Turnout			2,124	29.5 [a]	−37.4
	Labour hold		Swing

John Norton (Independent) resigned to unsuccessfully contest the 1910 federal Senate election for NSW.^[10]

1907 New South Wales state election: Darling Harbour ^[11][12]

Party		Candidate	Votes	%	±%
	Independent	John Norton	1,666	35.8
	Labour	William Daley	1,146	24.7
	International Socialist	Harry Holland	746	16.1
	Liberal Reform	George Whatmore	650	14.0
	Independent	Evan Jones	435	9.4
	Independent	Sydney Green	6	0.1
Total formal votes			4,649	96.7
Informal votes			161	3.3
Turnout			4,810	66.9
	Independent gain from Labour [b]

1904 New South Wales state election: Darling Harbour ^[13]

Party		Candidate	Votes	%	±%
	Labour	William Daley	1,907	43.2
	Liberal Reform	Evan Jones	1,395	31.6
	Independent	Wilfred Spruson	1,099	24.9
	Independent	Henry Connell	7	0.2
	Independent	Sydney Green	4	0.1
	Independent	William Scafe	4	0.1
Total formal votes			4,416	97.6
Informal votes			109	2.4
Turnout			4,525	50.9
	Labour win		(new seat)

Darling Harbour was a new seat consisting of the abolished seats of Sydney-Gipps, Sydney-Lang, and parts of the abolished seats of Sydney-King and Sydney-Denison. The member for Sydney-Gipps was William Daley (Labour) and he won the Labour pre-selection ahead of the member for Sydney-Lang, John Power, who did not contest the election. The member for Sydney-King was Ernest Broughton (Progressive) who successfully contested King as a Liberal Reform candidate. The member for Sydney-Denison was Andrew Kelly who successfully contested The Lachlan.