The Marine Corps League Auxiliary was chartered on September 4, 1937 as a subsidiary organization of the Marine Corps League. On August 25, 1950, the Auxiliary was incorporated under the laws of the District of Columbia as an affiliate of the Marine Corps League. The Auxiliary was formed for the purposes of promoting the interests of the U. S. Marine Corps, the Marine Corps League and to protect and advance the welfare of Marines and their dependents. Auxiliary members participate in a wide variety of programs that benefit and preserve the fundamental rights and freedoms of every person of this Nation, young and old.
(A) To Preserve the traditions and promote the interests of the United States Marine Corps;
(B) To maintain true allegiance to American institutions;
(C) To hold sacred the history and memory of the men and women who have given their lives to this Nation;
(D) To perpetuate the history of the United States Marine Corps and by fitting acts, to observe the anniversaries of historical occasions of particular interest to Marines;
(E) To create a bond of comradeship between the Auxiliary and the Marine Corps League, Inc.;
(F) To aid voluntarily and to render assistance to all Marines and former Marines as well as to their families;
(G) To help decorate the graves of all deceased Marines whenever and wherever possible;
(H) To strive for the passage of legislation favorable to the Marine Corps League, Inc. and to the United States Marine Corps and its personnel;
(I) To always foster love of Honesty, Loyalty and Truth, and a reverence to our God, Our Country, Our Family and Our Home.
Regular membership in this Auxiliary shall be open to Wives, Widows, Mothers, Grandmothers, Sisters, Daughters, Granddaughters, Stepmothers, Stepdaughters, Daughters-in-Law, Aunts, Nieces, Mothers-in-Law and Sisters-in-Law of a Marine or a US Navy Corpsman currently serving or who has trained with the Marines FMF Units in excess of ninety (90) days and earned the Marine Corps Device or Warfare Device worn on the Service Ribbon authorized for FMF Corpsmen, eligible to belong to the Marine Corps League, Inc. (not less than sixteen  years of age) and Women Marines, former, active and Reserves.
Associate Membership will be women (not less than sixteen  years of age) not meeting any of the relationship requirements of Regular membership, but desiring to further the ideals, principles, purposes and efforts of the Marine Corps League Auxiliary.