Stefany Shaheen leads the Democratic primary for New Hampshire’s 1st Congressional District with trader consensus at 63 percent, reflecting her name recognition as the daughter of retiring U.S. Senator Jeanne Shaheen and her prior service on the Portsmouth city council. Recent candidate forums in late May highlighted shared opposition to federal policy changes, while Shaheen has added local mayoral endorsements and the first major labor backing. Maura Sullivan, a Marine Corps veteran and former Obama administration official who previously sought the seat, holds second place at 29.5 percent on the strength of her military background and competitive fundraising. Carleigh Beriont and Heath Howard remain in single digits with limited institutional support ahead of the September 8 primary.