Michael Joseph Sinclair

Michael Joseph Sinclair, 36, of Arkansas City, KS, passed away on November 13, 2025, in Arkansas City.

A come-and-go celebration of life will be held from 1–5 PM on Sunday, December 14, 2025, at the Haysville Masonic Lodge, 300 S Main St., Haysville, KS. Memorials may be made out to Lemon-Aid. Contributions may be left in the care of the Shelley Family Funeral Home.

Michael was born on November 21, 1988, in Wichita, KS, to parents James Dull and Anette Sinclair. He graduated from Haysville High School in 2008 and then attended Wichita Area Technical College, where he received a degree in automotive technology. He worked for Healy Biodiesel for many years while also fixing project cars before opening Sinclair Tire and Service in Ark City in 2024. In 2022, he was united in marriage to the love of his life, Catherine E. Debbrecht, in Winfield, KS. Michael enjoyed fishing, hunting, 3D printing, and making gadgets for family members. He was extremely handy and could do any carpentry, plumbing, or electrical project needed. He was always very generous and honest in his work.

Michael is survived by his wife; parents; children, Anthony Joseph Sinclair, Charles William Joseph Sinclair, and Clara Amelia Rose Streeter; grandparents Ronald “Joe” and Janice Miller and Dan and Laura Dull; sisters Tiffany Sinclair and Kristen Dull; and numerous nieces and nephews. He is preceded in death by his maternal grandfather, Richard Sinclair, and stepfather, Randall “Randy” Cousins.