Mark Michael Wenner of St. Louis, Missouri was born on November 28, 1943 in Kalamazoo, Michigan to William Franklin Wenner and Charlotte Sophia Rossi and passed away October 20, 2026 at the age of 82 years.
Raised in Kalamazoo, he attended the University of Michigan where he received his B.A. in History. Having spent summers in St. Louis, Missouri with his maternal grandparents, he decided to attend Washington University where he graduated with a law degree.
Mark practiced law in St. Louis for 44 years before moving his practice to Sullivan, Missouri where he practiced for the last 13 years. Working with Lawrence K. Roos, former St. Louis County Executive, was amongst his fondest memories of practicing law.
In June of 1973, he married Davin Smallridge of Charleston, West Virginia.
Through the years Mark owned several properties in Crawford County, Missouri. On weekends he loved getting on his tractor and bush hogging. He improved the properties by clearing land, building lakes and growing soybeans and winter wheat.
In 2003, Mark and Davin bought the farm of their dreams in Cuba, Missouri. They renovated an old home built in the 1880’s and reclaimed much of the land.
He was preceded in death by his parents; and sister, Lilykate Light.
He is survived by his wife, Davin; sons, John (partner Lisa) and Andrew (Katie); grandchildren, Hadley and Carson; sister, Stephanie Warburg (Jonathan); other relatives and friends.
Cremation has taken place.
A Celebration of Marks’s life will be scheduled for a later date.
Arrangements under the direction of the Eaton Funeral Home and Cremation Center of Sullivan, Missouri.
