Key facts
- Mike Minogue and Brian Shortsleeve are the Republican candidates for Massachusetts governor.
- The Massachusetts gubernatorial primary is scheduled for September 1, 2026.
- The Republican nominee will face incumbent Governor Maura Healey in the general election.
Republicans Mike Minogue and Brian Shortsleeve are competing for the Massachusetts gubernatorial nomination in the primary election scheduled for September 1, 2026. The winner will face incumbent Governor Maura Healey in the November general election. The primary contests for the Massachusetts House of Representatives also took place on Tuesday, September 1, 2026. Incumbent U.S. Senator Ed Markey is seeking a third term and faces a challenge from Rep. Seth Moulton. Republican John Deaton, who lost to Elizabeth Warren in 2024, is the party's nominee for the other U.S. Senate seat. Incumbent Lieutenant Governor Kim Driscoll and Republican Shawn Oliver are unopposed for their respective nominations. Incumbent Attorney General Andrea Campbell and Republican Michael Walsh are also unopposed. Incumbent Secretary of State William Galvin is unopposed for his ninth term. In the U.S. House races, five incumbents have drawn opponents, including Rep. Stephen Lynch, who faces a challenge from attorney Patrick Roath. An open seat in District 6, vacated by Seth Moulton, has Dan Koh and state Rep. Tram Nguyen as frontrunners. Veterinarian Mariah Lancaster withdrew from the District 6 race.