Forever in the Hearts They Leave Behind

Nancy Jean Gaines

September 10, 1944 – August 23, 2025


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Nancy Jean Gaines, 80, of San Tan Valley, Arizona, passed away peacefully at home on August 23rd with her husband, Greg — her best friend and lifelong partner in adventure — by her side.

Born in Salem, Massachusetts, and raised in Beverly, Nancy was a devoted wife, mother, grandmother, and great-grandmother. Fiercely independent, adventurous, and full of life, she learned to sail as a child, later earned her pilot’s license, traveled the world, and cherished every moment with her family. An avid golfer and self-taught painter, she embraced new passions with the same fearless spirit. Strong, funny, and undeniably badass, she made life brighter just by being in it.

She is survived by her husband, Gregory Gaines; sons, Gary Thibedeau (Kris) and Jeffrey Thibedeau (Elaine); grandchildren, Jeffrey (Kelli), Jordan, and Paige Thibedeau; and great-grandson, Liam Thibedeau. She was preceded in death by her parents, Alliean (Costello) and John Lister; brother, Richard Lister; and sister, Gail Genest.

In lieu of flowers, donations may be made to Banner MD Anderson Cancer Center at give.bannerhealth.com/nancygainesmemorial

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Nancy Jean Gaines

September 10, 1944 – August 23, 2025


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Send Flowers Print Obituary

Nancy Jean Gaines, 80, of San Tan Valley, Arizona, passed away peacefully at home on August 23rd with her husband, Greg — her best friend and lifelong partner in adventure — by her side.

Born in Salem, Massachusetts, and raised in Beverly, Nancy was a devoted wife, mother, grandmother, and great-grandmother. Fiercely independent, adventurous, and full of life, she learned to sail as a child, later earned her pilot’s license, traveled the world, and cherished every moment with her family. An avid golfer and self-taught painter, she embraced new passions with the same fearless spirit. Strong, funny, and undeniably badass, she made life brighter just by being in it.

She is survived by her husband, Gregory Gaines; sons, Gary Thibedeau (Kris) and Jeffrey Thibedeau (Elaine); grandchildren, Jeffrey (Kelli), Jordan, and Paige Thibedeau; and great-grandson, Liam Thibedeau. She was preceded in death by her parents, Alliean (Costello) and John Lister; brother, Richard Lister; and sister, Gail Genest.

In lieu of flowers, donations may be made to Banner MD Anderson Cancer Center at give.bannerhealth.com/nancygainesmemorial

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