Since 2004, Maine has had a domestic partner registry, which is supposed to grant some legal rights similar to those enjoyed by married couples. But it's largely useless when it comes to wills, workers' compensation, guardianship and retirement benefits, Wriggins said.

This week, the state House of Representatives is expected to take up a same-sex marriage bill that was endorsed by the state Senate. Democratic Gov. John Baldacci is undecided on the bill.