Michael T. Ertmer

Michael T. (Mike) Ertmer of Green Lake passed away on December 12, 2024 at the age of 54. Mike was born to the late John and Mary (Hennessey) Ertmer in LaCrosse on May 21, 1970. 

Mike graduated from Onalaska High School in 1988, where he played on the golf team among many activities. He graduated from Marquette University in 1992 and participated in Army ROTC, and was then commissioned into the US Army where he served for 10 years and retired as a Captain. 

Mike traveled extensively & enjoyed playing golf and watching & rooting for all of the Wisconsin pro teams as well as Marquette basketball. 

Mike is survived by his brother Timothy (Jodi) Ertmer, uncle Jim Ertmer, aunts Sue Ertmer and Rita Stadler, nephew Samuel Ertmer as well as numerous cousins. 

A Mass of Christian burial will take place at noon on Monday, December 23, 2024 at St. Jude Parish-St. Vincent Site,1225 Oregon Street, Oshkosh, with Fr. Louis Golamari officiating. Visitation will take place from 11 until time of service. Full military honors will take place after service. Burial will be at Arlington National Cemetery in the late spring or early summer.