2001 Massachusetts's 9th congressional district special election

Massachusetts's 9th congressional district special election of 2001 was held on October 16, 2001 to fill the vacancy caused by the death of Representative Joe Moakley. Democratic State Senator Stephen Lynch won the election; defeating six candidates in the Democratic primary and three in the general election.

Primaries

The Democratic and Republican primaries were held on September 11, 2001. The election was overshadowed by the September 11 attacks, which occurred shortly after polls opened.

Stephen Lynch defeated State Senators Cheryl Jacques, Brian A. Joyce, and Marc Pacheco, former federal prosecutor William F. Sinnott, housing advocate John E. Taylor, and activist William A. Ferguson, Jr. for the Democratic nomination.

Democratic primary

Party		Candidate	Votes	%	±%
	Democratic	Stephen Lynch	44,905	39.44
	Democratic	Cheryl Jacques	32,933	28.93
	Democratic	Brian A. Joyce	16,818	14.77
	Democratic	Marc R. Pacheco	15,009	13.18
	Democratic	William F. Sinnott	3,110	2.73
	Democratic	John E. Taylor	767	0.67
	Democratic	William A. Ferguson, Jr.	253	0.22
	Write-in		253	0.22%

State Senator Jo Ann Sprague defeated State Republican Committeeman William D. McKinney for the Republican nomination.

Republican primary

Party		Candidate	Votes	%	±%
	Republican	Jo Ann Sprague	9,013	68.98
	Republican	William D. McKinney	3,789	29.00
	Write-in		265	2.03

General election

Stephen F. Lynch won the general election. He defeated his nearest competitor, Jo Ann Sprague, by over 22,000 votes.

Democratic primary

Party		Candidate	Votes	%	±%
	Democratic	Stephen Lynch	44,943	64.97
	Republican	Jo Ann Sprague	22,645	32.73
	Conservative	Susan C. Gallagher-Long	827	1.20
	Socialist Workers	Brock Satter	510	0.74
	Write-in		253	0.37