This is a history of the Military Company of Massachusetts, known as The Ancient and Honorable Artillery Company of Massachusetts. Volume 4 begins with the establishment of peace in 1866 and covers the history until the year 1888. The database contains many facts concerning births, marriages, occupations, etc. of the past and present members of the Ancient and Honorable Artillery Company, as well as a short biography of the elected officers and recruited members, making it of particular interest to those with ancestors who served in this military.