All ten states in the Census Bureau's **Northeast region** legalized same-sex marriage before the 2015 *Obergefell v. Hodges* nationwide ruling — most through legislation or court decisions, not popular vote.
| State | Legalization Date | Mechanism |
|---|---|---|
| Massachusetts | May 17, 2004 | SJC ruling (*Goodridge v. DPH*) — first in US |
| Connecticut | Nov 12, 2008 | State Supreme Court (*Kerrigan v. DPH*) |
| Vermont | Sep 1, 2009 | Legislative override of governor veto |
| New Hampshire | Jan 1, 2010 | Legislative (civil unions 2008 → marriage 2009) |
| New York | Jul 24, 2011 | Legislative (*Marriage Equality Act*) |
| Rhode Island | Aug 1, 2013 | Legislative (last NE state) |
| Maine | Dec 29, 2012 | Popular referendum (53–47%) — first at ballot |
| Maryland | Jan 1, 2013 | Legislative → upheld by referendum (52–48%) |
| New Jersey | Oct 21, 2013 | State Supreme Court (*Garden State Equality v. Dow*) |
| Pennsylvania | May 20, 2014 | Federal district court (*Whitewood v. Wolf*) — no appeal |
All 10 states fully recognize same-sex marriages, provide identical rights/benefits/obligations as different-sex marriages, and honor out-of-state marriages. Post-*Obergefell*, no active legal challenges in the region.
Marriage licenses issued by town/county clerks; no residency requirement in any NE/Mid-Atlantic state. Waiting periods: 0–3 days. Officiants: civil (judges, clerks, justices of peace) + religious (per denomination rules).