Cover photo for Karen Renee McGinnis's Obituary
Karen Renee McGinnis Profile Photo
1966 Karen 2023

Karen Renee McGinnis

August 21, 1966 — September 30, 2023

Green River


Karen Renee McGinnis, 57, passed away September 30, 2023 at Mission at Castle Rock Rehabilitation Center in Green River, WY following a battle with brain cancer. She was a former resident of Denver, CO.

She was born on August 21, 1966 in Sacramento, California, the daughter of Billie and Ralph Mattinson.

Karen attended high school in Rock Springs, WY and graduated with the class of 1984.

She worked as the regional sales administrator for the Canon Corporation for 25 years until her retirement on December 8, 2021.

Karen enjoyed spending her free time golfing, hiking, walking the neighborhood dogs, and above all else spending time with her friends and family.

Survivors include her dad Ralph C Mattinson; brother Neil Mattinson and wife Teya; sister Suzie Reeder and husband Jeremiah; and beloved nieces and nephews Kevin Mattinson and wife Karlee, Lauren Mayer and husband Anthony, Trevor Mattinson, Nic Dziadosz and wife Kylie, Darek Mattinson and wife Ryann, Kinlee Mattinson, along with 3 great-nieces and nephews.

She was preceded in death by her mother Billie Mattinson, maternal grandparents William and Lillian Brcko, paternal grandparents Ralph and Helen Mattinson, as well as several aunts and uncles.

A celebration of life will be held at 11:00 am, Friday October 6, 2023 at Abundant Grace Ministries, 1515 Edgar Streer, Rock Springs, WY.

Pastor Jim Chrisawn will be officiating.

Condolences for the family can be left at



To order memorial trees or send flowers to the family in memory of Karen Renee McGinnis, please visit our flower store.

Service Schedule

Past Services

Funeral Service

Friday, October 6, 2023

11:00 - 11:15 am (Mountain time)

Abundant Grace Ministries

1515 Edgar St, Rock Springs, WY 82901

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