St. Catharines—Brock

St. Catharines-Brock
Ontario electoral district
	St. Catharines-Brock in relation to southern Ontario ridings, 1995
Defunct provincial electoral district
Legislature	Legislative Assembly of Ontario
First contested	1975
Last contested	1995
Demographics
Census division(s)	Niagara
Census subdivision(s)	St. Catharines, Niagara-on-the-Lake

St. Catharines—Brock was a provincial electoral division in Ontario, Canada containing the town of Niagara-on-the-Lake as well as the southern portion of the city of St. Catharines. It was created prior to the 1975 provincial election, and was abolished in 1999 when Ontario adjusted all of its provincial electoral divisions to match those at the federal level. With the riding being merged into the ridings of St. Catharines, Niagara Falls, and Niagara Centre.

Members of Provincial Parliament

St. Catharines—Brock
Assembly	Years	Member		Party
Brock (1975-1987)
30th	1975–1977		Bob Welch	Progressive Conservative
31st	1977–1981
32nd	1981–1985
33rd	1985–1987		Peter Partington
St. Catharines—Brock
34th	1987–1990		Mike Dietsch	Liberal
35th	1990–1995		Christel Haeck	New Democratic
36th	1995–1999		Tom Froese	Progressive Conservative
Riding dissolved into St. Catharines, Niagara Falls, and Niagara Centre

1975 Ontario general election
Party		Candidate	Votes	%
	Progressive Conservative	Bob Welch	10,978	48
	Liberal	Margo Pyfe	5,911	25.8
	New Democratic	Fred Lindal	5,836	25.5
Total valid votes			25,572	100.00

1977 Ontario general election
Party		Candidate	Votes	%	±%
	Progressive Conservative	Bob Welch	11,944	51.8	+3.8
	Liberal	Marv Edwards	5,910	25.6	-.2
	New Democratic	Robert Hoover	5,215	22.6	-2.9
Total valid votes			23,069	100.00

1981 Ontario general election
Party		Candidate	Votes	%	±%
	Progressive Conservative	(x)Bob Welch	10,547	48.8	-3
	Liberal	Bill Andres	6,882	31.8	+6.2
	New Democratic	Heather Lee Kilty	4,204	19.4	-3.2
Total valid votes			21,633	100.00

1985 Ontario general election
Party		Candidate	Votes	%	±%
	Progressive Conservative	Peter Partington	9,741	41.6	-7.2
	Liberal	Bill Andres	9,081	38.7	+6.5
	New Democratic	Robert Woolston	5,624	16.5	-2.9
	Green	Brian Dolby	755	3.2	–
Total valid votes			23,444	100.00

1987 Ontario general election
Party		Candidate	Votes	%	±%
	Liberal	Mike Dietsch	10,822	41.4	+2.6
	Progressive Conservative	(x)Peter Partington	8,821	33.7	-7.8
	New Democratic	Christel Haeck	6,514	14.9	+8.9
Total valid votes			27,777	100.00

1990 Ontario general election
Party		Candidate	Votes	%	±%
	New Democratic	Christel Haeck	9,538	34.6	+9.7
	Liberal	(x)Mike Dietsch	8,379	30.4	-10.9
	Progressive Conservative	Rob Welch	6,969	25.3	-8.4
	Confederation of Regions	Rodney Book	1,499	5.4	—
	Family Coalition	Ed Klassen	837	3.2
	Libertarian	Conrad Gibbons	270	1.0
Total valid votes			27,525	100.00

1995 Ontario general election
Party		Candidate	Votes	%	±%
	Progressive Conservative	Tom Froese	11,976	47.0	+21.7
	Liberal	Gail Richardson	7,373	29	-1.5
	New Democratic	(x)Christel Haeck	5521	21.7	-13
	Family Coalition	Bert Pynenburg	598	2.3	-.8
Total valid votes			25,468	100.00