Welland—Thorold is a former provincial electoral district

Electoral district (Canada)

An electoral district in Canada, also known as a constituency or a riding, is a geographical constituency upon which Canada's representative democracy is based...

 in Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. It was created for the 1977 provincial election

Ontario general election, 1977

The Ontario general election of 1977 was held on June 9, 1977, to elect the 125 members of the 31st Legislative Assembly of Ontario of the Province of Ontario, Canada....

, and lasted until provincial redistribution in 1996. The riding was formally retired with the 1999 provincial election

Ontario general election, 1999

An Ontario general election was held on June 3, 1999, to elect members of the 37th Legislative Assembly of the Province of Ontario, Canada....

.

Welland—Thorold was a bastion of strength for the Ontario New Democratic Party

Ontario New Democratic Party

The Ontario New Democratic Party or , formally known as New Democratic Party of Ontario, is a social democratic political party in Ontario, Canada. It is a provincial section of the federal New Democratic Party. It was formed in October 1961, a few months after the federal party. The ONDP had its...

, which represented it throughout its existence. Its last Member of Provincial Parliament (MPP), Peter Kormos

Peter Kormos

Peter Kormos is a politician in Ontario, Canada. A former lawyer, he was first elected as an Ontario New Democratic Party Member of Provincial Parliament to the Legislative Assembly of Ontario in the Welland constituency in a 1988 provincial by-election. He replaced veteran NDP legislator Mel...

, continues to represent the successor riding of Niagara Centre

Niagara Centre

Niagara Centre was a federal and provincial electoral district that was represented in the Canadian House of Commons from 1997 to 2003, and in the Legislative Assembly of Ontario from 1999 to 2007.-Federal riding:...

 in the Ontario legislature

Legislative Assembly of Ontario

The Legislative Assembly of Ontario , is the legislature of the Canadian province of Ontario, and is the second largest provincial legislature of Canada...

.

Provincial representatives

	Name	Party	Took Office	Left Office	Mel Swart Mel Swart Melvin Leroy Swart was a Canadian politician in Ontario. He served in the Legislative Assembly of Ontario as a New Democrat from 1975 to 1988....	New Democratic Party	1977	1988	Peter Kormos Peter Kormos Peter Kormos is a politician in Ontario, Canada. A former lawyer, he was first elected as an Ontario New Democratic Party Member of Provincial Parliament to the Legislative Assembly of Ontario in the Welland constituency in a 1988 provincial by-election. He replaced veteran NDP legislator Mel...	New Democratic Party	1988	1999