John W.

Sill, Sr.

Johnnie Wayne Sill passed away peacefully on September 16, 2025 surrounded by his loving family. He was born on November 27, 1932 to Elzy Leroy and Zana May Sill (née Crook) in Bowlegs, Oklahoma.
His early years were dedicated to education and his Blanchard community. He served as Blanchard's High School Principal, Head football coach, Girl's Basketball coach, and Teacher for 9 years. He and fellow coach/teacher Dick Wagner spent countless hours of their free time building the "old" football field. He loved his time at Blanchard Schools coaching, mentoring and counseling students.
He later worked at the University of Oklahoma for a time then bought the Evergreen Feed and Seed in Blanchard. He raised cattle as a hobby and spent many hours playing dominoes with his buddies. He owned a pipeline Right of Way business in the 1980s. Over his lifetime he developed land that created 6 different real estate additions. Golf became a passion in which he excelled. He once competed in a golf tournament with Mickey Mantle.
He was a home body at heart and loved working outside. He was a private man whose steady presence and quiet strength gave a sense of stability and confidence to his family. He was our foundation that never crumbled.
John was preceded in death by his parents, his twin brother Jimmie Leroy Sill, sister Bobbie Jean Lee, and step daughter Maryann Porter.
He is survived by his wife of 48 years, Mary Sill of the home, son John Jr and wife Carolyn of Blanchard; daughter Terri Pierce and partner Charles Gaines, grandchildren Amanda Lewis and husband Bear, Rachel Jackson and husband Sean, Caitlin Sill, Lance Pierce, Logan Pierce and wife Lexy. Great grandchildren Rhett, Fynlee, Charlie, Grey, and Bodhi.
Step children Steve West, Diana Jeffcoat and husband Preston, Tammy Minyen, 10 grandchildren, 23 great grandchildren and 3 great-great grandchildren.

A funeral service will be held at 10:00 a.m. on Friday, September 19, 2025, at Eisenhour Funeral Home in Blanchard, Oklahoma with an interment to follow at Blanchard Cemetery. Closed-casket viewing for friends and family will be from 2:00 p.m. to 8:00 p.m. on Thursday, September 18, 2025, at the funeral home.  Arrangements are under the direction of Eisenhour Funeral Home of Blanchard. Online obituary and guestbook are available at www.eisenhourfh.com.