Poll: Mainers poised to endorse marriage equality The GA Voice Editors June 18, 2012 Politics The poll asked a series of questions to 506 likely voters and was conducted by MassINC Polling Group between June 13-14, according to WBUR. The margin of error was 4.4 percentage points. If Maine’s voters support the referendum in the fall, it would be the first time that a state’s voters supported giving marriage rights to same-sex couples. For more information, please visit www.equalitymaine.org. SHARE ON Leave a Reply Cancel Reply Your email address will not be published. Name* Email* Website − 1 = six Comment Notify me of follow-up comments by email. Notify me of new posts by email.