NAMI Huntington is the NAMI affiliate in the town of Huntington, New York NAMI (The National Alliance on Mental Illness) is the nation's largest grass roots mental health organization dedicated to improving the lives of persons living with serious mental illness and their families. Founded in 1979, NAMI has become the nation's voice on mental illness. NAMI is a national organization including NAMI organizations in every state and in over 1100 local communities across the country who join together to meet the NAMI mission through advocacy, research, support, and education.