Membership is available to women age eighteen and over who can offer satisfactory proof that they are lineal descendants of an ancestor who, during the period of 1784-1815 inclusive, rendered civil, military, or naval service to our country, rendered material aid to the U.S. Army or Navy, or who participated in the Lewis and Clark Expedition. Admission to membership in the National Society is by invitation after an affirmative vote by the chapter or state society. Applicants shall have the endorsement of two members in good standing to whom the applicant is personally known. Junior membership is available to girls and boys from birth through age 21. Young women between the ages of eighteen and thirty-five are known as Flora Adams Darling Daughters in honor of the Society's first president.
Membership is by invitation only.