Cover photo for Mary J. Decker's Obituary
Mary J. Decker Profile Photo
1928 Mary 2022

Mary J. Decker

November 24, 1928 — October 16, 2022

  Mary Jane Decker passed away October 16, 2022, after a lengthy illness. Mary was born November 24, 1928, to Arthur and Violoh Brossard in Mankato, Minnesota. Mary made her way to Wyoming where she married Gerald Decker in 1947. Gerald and Mary were married for 59.9 years and had three sons, Calvin, Thomas and Jerry Paul.

  Gerald and Mary moved to Colorado working for LG Everest in the sand and gravel business, providing materials for many projects including the Eisenhower Tunnel. They then moved to Casper and started and ran Pioneer Construction for many years.

  Mary enjoyed music and was a very talented trumpet and cornet player. Mary was generous with her talents and played for Life Care and the Nazarene Church for many years.

  Mary is survived by her brother Lee (Romelle), sons Calvin (Nancy), Thomas (Sally), and Jerry Paul (Tonya), Five grandchildren Damara, Duke, Daniel, Benjamin and Jolene and 5 great grandchildren, nieces, nephews, friends and extended family.

  Mary was preceded in death by her loving husband Gerald, her parents, stepfather Stephen, brothers Clarence, Gordon, Victor and Wayne, sister Laverne, Marlene and Francis Jean.

  Mary was also preceded in death by her sister-in-law Norma and daughter-in-law Monica.

  Services will be held Monday, October 24, 2022, at the First Church of the Nazarene, 2020 S. Jefferson at 2:00 p.m. and a viewing Sunday, October 23, 2022 from 3:00 p.m. to 5:00 p.m. and Bustard & Jacoby Funeral Home, 600 CY Avenue.

To view the services for Mary, please visit

Arrangements are entrusted to the care of Bustard & Jacoby Funeral Home, 600 CY Avenue, Casper, WY 82601.

To order memorial trees or send flowers to the family in memory of Mary J. Decker, please visit our flower store.

Service Schedule

Past Services


Sunday, October 23, 2022

3:00 - 5:00 pm (Mountain time)

Bustard and Jacoby Funeral Home

600 CY Avenue, Casper, WY 82601

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Funeral Service

Monday, October 24, 2022

Starts at 2:00 pm (Mountain time)

First Church of the Nazarene

2020 S Jefferson St, Casper, WY 82601


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