MEMBERSHIP ELIGIBILITY: A male descendant, whether through lineal (direct ancestor) or collateral line (uncle) and not less than 14 years of age (6 to 14 years for Juniors), who: (1) is a blood relative (descendant or nephew) of a Soldier, Sailor, Marine or member of the Revenue Cutter Service, who was regularly mustered and served honorably in, was honorably discharged from or died in the service of the Army, Navy, Marine Corps or Revenue Cutter Service of the United States of America or in such state regiments called to active service and was subject to orders of United States general officers, between April 12, 1861 and April 9, 1865; (2) has never been convicted of any infamous or heinous crime and (3) has, or whose ancestor through whom membership is claimed has, never voluntarily borne arms against the government of the United States.

Associate memberships are available for those supporters who either do not have, or have not yet identified their Union ancestor(s).