Mary Z. Cooke Daley Forsgren was born November 27, 1912 in Grouse Creek, Utah a daughter of George Sandford and Sarah Ruth Mecham Cooke. She had two brothers and six sisters.

She married Kenneth LaVier Daley on November 24, 1931 in Malad, Idaho. Their marriage was sealed February 27, 1948 in the Logan LDS Temple. He died December 7, 1947. She married Richard V. Forsgren May 21, 1949 in Nevada.

Her children are: Darlene, Delma, LaVier, Leah, and Kenna.

She was a member of the LDS Church and served in the Relief Society as work director and taught in the Primary.

Mary passed away on September 9, 2001 and is buried in the Tremonton Riverview Cemetery, Tremonton, Utah.