Mark James “Jim” Leach III, age 84, passed away on May 30, 2026, in Apache Junction, Arizona.
Jim was born on September 28, 1941, in Denver, Colorado. He lived a life defined by dedication to his family, service to his country, and commitment to the people and communities he loved.
In January 1962, Jim married the love of his life, Mary “Kathy” Leach, in Tucson, Arizona, after the two met while attending technical school. Together they built a loving marriage that spanned more than six decades and created a family that remained the center of Jim’s life.
Jim is survived by his beloved wife, Kathy; his three children, Kim (Larry), Mark (Ellen), and Cindy (Erik); 10 cherished grandchildren; and 11 treasured great-grandchildren. He took great pride in his growing family and found joy in the time spent with each generation.
Jim honorably served his country in the United States Air Force and with the Tucson 162nd Air National Guard. His military career spanned from 1961 until his retirement in 1997, reflecting more than 35 years of dedicated service. He was respected by his fellow service members and exemplified the values of duty, integrity, and commitment throughout his career.
Those who knew Jim will remember his steadfast character, his devotion to family, and his willingness to help others. His legacy lives on through the many lives he touched and the family he loved so deeply.
Jim’s memory will forever remain in the hearts of those who loved him. He will be deeply missed and lovingly remembered
A memorial service will be held on Wednesday, June 10, 2026, at 10:00 a.m., at Mountain View Funeral Home (7900 E Main St, Mesa, Az 85207) with an Honor Guard Presentation at 11:00 a.m., at Mountain View Cemetery.
Family and friends are invited to gather for a reception immediately following the service at the Desert Harbor Club House. 3700 S Ironwood Dr, Apache Junction Az
Chief Leach was a Patriot, one of the finest to have ever served our great nation. Rest in peace Chief may God comfort the entire family during this difficult time.
SMSgt. Ret Jody R Page
To The Family,
Please Accept My Heartfelt Condolences. Truly the loss of a precious loved one is most difficult. Please find comfort in the promise our most loving Heavenly Father Jehovah God gives us in Revelation 21:4″And He will wipe out every tear from their eyes and death will be no more; neither will mourning; nor outcry; nor pain be anymore. The former things have passed away.” Yes, We can look forward to a time soon to come when all suffering including death will be done away with forever.
Celebrating 75 years of serving our community
Chief Leach was a Patriot, one of the finest to have ever served our great nation. Rest in peace Chief may God comfort the entire family during this difficult time.
SMSgt. Ret Jody R Page
To The Family,
Please Accept My Heartfelt Condolences. Truly the loss of a precious loved one is most difficult. Please find comfort in the promise our most loving Heavenly Father Jehovah God gives us in Revelation 21:4″And He will wipe out every tear from their eyes and death will be no more; neither will mourning; nor outcry; nor pain be anymore. The former things have passed away.” Yes, We can look forward to a time soon to come when all suffering including death will be done away with forever.