Marvin Osterman

October 21, 1957 – July 17, 2021

Marvin Osterman, 63, passed away peacefully at home surrounded by loved ones in Lander, Wyoming on July 17, 2021.

Marvin was born on October 21, 1957 in Brighton, Colorado.

Marvin married Gwen Mason on June 13, 1981. They had 2 children; Krista and Kyle Osterman.

Marvin is survived by his wife Gwen, daughter, Krista (Cameron) Willis and son, Kyle (Ashley) Osterman; 6 grandchildren, Isabella, Jaxson, Trevin, Amya, Paisley and Emery; his mother Gerry Osterman; brothers, Keith, Skip, Charlie Osterman and a sister Debra Stair-Owen.

Marvin was an avid outdoorsman. He enjoyed hunting and fishing and passed his passion for the outdoors down to his children.  Marvin had a zest for life and lived every moment to its fullest. He was known for his quick wit and infectious smile, the ability to make everyone laugh and a kind compassionate spirit.

A Memorial Service will be held on Friday, July 23, 2021 at 10:30 AM at Northside Park in Lander, Wyoming with a BBQ to follow.

Please sign the family’s on-line registry at