Sister Mary Slater SNJM has served as the Cathedral s Bookkeeper since 1990.

She received her Bachelor's degree with a major in Accounting from Western Washington State College.

Sister Mary is a member of Sisters of the Holy Names of Jesus and Mary and currently serves as a member of the Board of Trustees and Finance committee for Holy Names Academy.  In the past she was a member of the committee for the Archdiocese of Seattle that rewrote the Parish Accounting Manual.  Sr Mary also serves on several committees in her religious community.