Clarksville, TN - William Donelson Hadley, Sr., age 100 of Clarksville, passed away at the home he loved so much on his Tobacco Rd farm on January 24, 2026.

William (Bill) was born William Donelson Hadley June 1, 1925, in Greenbrier, TN, to the late Elizabeth Dabney Hadley and the late Wade Henderson Hadley Sr. He was the third of six Hadley children and was preceded in death by his wife Peggy Hadley, brothers Wade Henderson Hadley Jr, Edmund Dabney Hadley, Richard "Dick" Hadley, and a sisters Wena Hadley Rudolph & Carrie Hadley Malone.

He is survived by his daughter Betty Barnett (Mark), a son, William (Billy)Hadley Jr. (Kathy); grandchildren, Thomas Wade Barnett (Stephanie) Will Barnett (Sarah) Matt Barnett (Paige) Jordan Hadley (Hannah), Jackson Hadley; and seven great-grandchildren, Michael Ray, Luke, Leah, Paityn, Brooklyn, Hadley, and Wilder.

The family moved from Greenbriar, TN in 1934 to Tobacco Road, Clarksville Tennessee. The Hadleys' were pillars of the Ringgold Community and faithful members of Bethel United Methodist Church. The small church in the middle of Fort Campbell Blvd near the Kentucky state line.

He was a graduate of the Clarksville High School class of 1943 and started farming thereafter. In 1950 he was installed in the United States Army 24th Signal battalion stationed at Ft. Jackson SC where he was awarded "expert rifleman." After serving until being honorably discharged in 1952 he returned to the farm on Tobacco Rd. and started a dairy business with his brother Richard (Dick) Hadley.

He married Peggy Ann Brown from Springfield Tn (July 1926 - October 2018) in April of 1956, proudly admitting it was the "best" decision of his life. They welcomed two children, five grandchildren and seven great-grandchildren to their family. He was a member and a trustee of Bethel United Methodist church for over 90 years. He was elected as a trustee of Clarksville Memorial Hospital 1988-1993 serving two terms as "Chairman of the board," He served 6 years on the "Power board" of the Clarksville Dept of Electricity (two of those as Chairman of the Board) and served on the board of "The Clarksville Credit Bureau" on and off for several years multiple times as Chairman.

In 1956 he and his brother Dick expanded their business partnership and bought the local John Deere Equipment dealership "Hadley Bros. Impl Co."which he Managed for 30 years while his brother managed the farm operations. They grew both to be very successful entities. He loved his entire family fiercely; he served his church and community with faithfulness. He loved to keep his farm IMMACULATELY groomed, and his favorite holiday was the 4th of July. He loved his country and the values and policies of the Republican Party to which he generously supported. He was loved "unconditionally" by his entire family, and Our family would like to extend our heartfelt thanks and gratitude for his dedicated and loving caregivers Heather Tebay and Vicky Hooper, as well as his beloved nieces and nephews that visited often laden with cookies and ice cream. He loved you all more than you could ever know. He has now joined his beloved wife and family in heaven We are thankful for the complete peace and joy we have in our hearts knowing he is with Jesus!

Funeral Services were held 12p.m. Saturday, January 31, 2026, at 2ND Mile Church, 804 South Riverside Dr., Clarksville, TN 37040, with Rev. Cal Hampton and Rev. Jesse Fleck officiating. Burial took place at Greenwood Cemetery. The Hadley family received friends from 9:30 a.m. until the hour of the service at the church on Saturday.

Pallbearers were Tom Barnett, Will Barnett, Matt Barnett, Jordan Hadley, Jackson Hadley, Michael Ray Barnett, & Luke Barnett.

In lieu of flowers, memorials can be sent to Bethel Methodist Church, 3180 Fort Campbell Blvd, Clarksville, TN 37042. Condolences may be made online at Navefuneralhomes.com.