The Marine Corps League Auxiliary (MCLA) Northwest Division supports the Marine Corps Leagues mission by aiding Marines, FMF Corpsman and their families. With a focus on Veterans welfare, volunteering at VA facilities, through camaraderie and community volunteering, supporting Toys for Tots and aiding elderly Veterans.

Member Eligibility is open to spouses, Widows, Mothers, Daughters, Sisters, and other close relatives of Marines or FMF Corpsmen, as well as female Marines, (not less than 16 years of age).

As part of the national organization chartered in 1937 they promote Americanism and to support Washington, Alaska, Oregon, Idaho, Montana and Wyoming.