Quick Links:
Mission Statement
Code of Ethics 
Investment Policy 

Prior to being elected Cochise County Treasurer in 1980, Marsha Bonham worked for Cochise County seven years and the Arizona Bank nine years. Both Marsha and her husband Jim are Bisbee natives. Jim and Marsha are blessed with two daughters, Lori and Kimberly. Lori has two children – Austen and Ashlyn.

Since being elected, Marsha has represented Cochise County on many state committees. She was elected president of the Arizona Association of Counties in 1998 and was placed on the National Association of Counties Finance and Taxation Committee changed to Finance and Intergovernmental Affairs Steering Committee in 2001 where she continues to serve and represent Arizona. Marsha served as president of the Arizona Treasurers' Association for three years (1992, 1993, 1994). She served ten years on the Arizona State Board of Investments.

Marsha has attended the Southwest School of Government Finance at Texas Tech University; Southwest County / City Leadership’s Program at the University of Arizona, and received a “Certified County Treasurer” designation from Arizona State University.

GladysAnn Wells, Director of Arizona State Library, Archives and Public Records, appointed Marsha to the Arizona Historical Records Advisory Board (AHRAB) in August 2003. Marsha represents Cochise County on the Benson Heritage Railroad Foundation Board (BHRF). She serves as vice chairman of BHRF as well as education chairman. As such, she gives railroad related talks to schools, churches and service organizations throughout Cochise County. Most requested is her talk entitled “Railroads Intertwine the History of Cochise County.”

Marsha is a member of the following professional groups:

  • Arizona Association of County Treasurers
  • Arizona Association of Counties (AACo)
  • National Association of County Collectors, Treasurers and Finance Officers (NACCTFO)
  • National Association of Counties (NACo)
  • International Association of Clerks, Recorders, Election Officials and Treasurers (IACREOT)
  • Government Finance Officers Association (GFOA)
  • Association for Financial Professionals of Arizona (AFPA)
  • Society of American Archivists (SAA)
(L to R) Chief Deputy 1985 - 2003 Karen Cass, Marsha Bonham and past Chief Deputy Mariann Fletcher.


In June 2006, Treasurer Bonham received a 2006 Achievement Award in the historical preservation category from the National Association of Counties for her Treasurer's Archives Project.

Cochise County Board of Supervisors recognized Marsha at the Board meeting for receiving the NACo award. (L to R) Richard Searle, Pat Call, Marsha Bonham, Paul Newman

NACo President, Colleen Landkamer, Commissioner of Blue Earth County, MN presenting Marsha with the 2006 NACo award.


Marsha Bonham at one of her presentations of "Fred Harvey and the Harvey Girls" assisted by her daughter Kimberly on her right and Cathy Traywick on her left. Other programs she has given are President Lincoln and his funeral train, POTUS Trains, Orphan trains, Scotland and her trains and Women's suffrage.