Massachusetts gubernatorial election, 1966

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The 1966 Massachusetts gubernatorial election was held on November 8, 1966. Governor John A. Volpe was reelected to a four-year term. He defeated former Attorney General Edward J. McCormack, Jr. in the general election. This was the first election held since Governor's Term of office was extended from two to four years.

Primaries

Volpe ran unopposed in the Republican primary. McCormack defeated former Presidential aide Kenneth O'Donnell in the Democratic primary.

1966 Massachusetts Democratic gubernatorial primary
Party		Candidate	Votes	%	±%
	Democratic	Edward J. McCormack, Jr.	343,381	55.12%
	Democratic	Kenneth O'Donnell	279,541	44.87%
	Write-in	All others	97	0.00%

Worcester attorney Joseph E. McGuire defeated Herbert L. Connolly in the Democratic primary for Lt. Governor. Francis W. Sargent ran unopposed in the Republican primary

1966 Massachusetts Democratic Lt. gubernatorial primary
Party		Candidate	Votes	%	±%
	Democratic	Joseph E. McGuire	32,842	54.82%
	Democratic	Herbert L. Connolly	27,063	45.17%
	Write-in	All others	3	0.00%

General election

Volpe defeated McCormack by over a half million votes. He won the majority of the votes in every Massachusetts county.

1966 Massachusetts gubernatorial election
Party		Candidate	Votes	%	±%
	Republican	John A. Volpe	1,277,358	62.58%
	Democratic	Edward J. McCormack, Jr.	752,720	36.88%
	Socialist Labor	Henning A. Blomen	6,539	0.32%
	Prohibition	John C. Hedges	4,494	0.22%
	Write-in	All others	66	0.00%

Francis W. Sargent defeated Joseph E. McGuire by 199,939 votes. It was the last general election in which the Governor and Lt. Governor were elected separately.

1966 Massachusetts Lt. gubernatorial election
Party		Candidate	Votes	%	±%
	Republican	Francis W. Sargent	1,059,846	54.58%
	Democratic	Joseph E. McGuire	859,907	44.28%
	Socialist Labor	Francis A. Votano	14,822	0.76%
	Prohibition	Grace F. Luder	7,202	0.37%
	Write-in	All others	66	0.00%