IN LOVING MEMORY OF

Jean Ann

Parmenter Corbett

August 29, 1930 – February 2, 2026

Obituary

Jean Ann (Parmenter) Corbett died Feb. 2 in Helena at the age of 95. She was born Aug. 29, 1930, in Attleboro, MA, to Raymond and Rose (Guild) Parmenter. She grew up there with three younger brothers: Ray, Charles, and John. All preceded her in death.

Jean graduated in 1948 from Attleboro High School and then attended the University of New Hampshire in Durham, where she met Marshall Corbett. They married April 2, 1950, but divorced in 2000. Jean left college before graduating to support her husband as he studied for a master’s and then a doctoral degree. This took them first to Ithaca, NY, where daughter Gayle was born in 1955, and then to Colorado, where a second daughter, Lauren, was born in 1957.

Although Jean and Marsh were both New Englanders with family history there dating back to the 1600s, they never returned to live in the East. After Marsh got his PhD from the University of Colorado at Boulder, he became a professor of geology at South Dakota State in Vermillion. After a year, the family moved to Pocatello, ID. The family lived in Australia in 1956.

Education was always important to Jean, so while in Pocatello, she completed a bachelor’s degree in political science at Idaho State University. Then she earned a master’s in public administration, one of her proudest accomplishments.

Jean worked full-time throughout her adult life in a variety of administrative capacities. Among her employers were the High Altitude Observatory and National Center for Atmospheric Research in Colorado, the Idaho Department of Health and Welfare, and the Montana Taxpayers Association.

Jean moved to Helena in 2000 to be near daughter Gayle Shirley, son-in-law Steve Shirley, and grandsons Colin and Jesse. Her younger daughter, who changed her name to Corbett Sionainn, lives in Cambridge, VT.

The family would like to thank the staff of Touchmark Memory Care Unit for the loving care they provided Jean in her last three years of life. Jean suggested that anyone wanting to donate in her memory give to the Lewis and Clark Humane Society, Covenant United Methodist Church, or the Florence Crittenton Home.

Cremation was provided by Simple Cremation MT. Jean’s ashes will be buried later in the Corbett Family plot in Colebrook, NH.

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