The first Masonic Grand Lodge in the future United States is constituted in Massachusetts.

Freemasonry consists of fraternal groups that trace their origins to the medieval guilds of stonemasons. Freemasonry is considered the oldest existing secular fraternal organisation, with documents and traditions dating back to the 14th century. Modern Freemasonry broadly consists of three main traditions:

• Anglo-American style Freemasonry, which insists that a "volume of sacred law", such as the Bible, Quran or other religious text should be open in a working lodge, that every member should profess belief in a supreme being, that only men should be admitted, and discussion of religion or politics does not take place within the lodge.
• Continental Freemasonry or Liberal style Freemasonry which has continued to evolve beyond these restrictions, particularly regarding religious belief and political discussion.
• Women Freemasonry or Co-Freemasonry, which includes organisations that either admit women exclusively or accept both men and women. Women Freemasonry can lean both Liberal or Conservative, sometime requiring a religion or not depending on the Grand Orient or Obedience.

A Grand Lodge, also called Grand Orient, Obedience, or by another similar title, is a name for the overarching governing body of a fraternal or other similarly organized group in a given area, usually a city, state, or country.

Massachusetts, officially the Commonwealth of Massachusetts, is a state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode Island to its south, New Hampshire and Vermont to its north, and New York to its west. Massachusetts is the sixth-smallest state by land area. With a 2024 U.S. Census Bureau-estimated population of 7,136,171, its highest estimated count ever, Massachusetts is the most populous state in New England, the 16th-most-populous in the United States, and the third-most densely populated U.S. state, after New Jersey and Rhode Island.