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Sidney Theriot Jr. '55 September 23, 2021 3:41 PM updated: September 23, 2021 4:00 PM

Sidney Joseph Theriot Jr.
January 6, 1932 - August 23, 2021

Sidney Joseph Theriot Jr., age 89 of Mandeville passed away on Monday afternoon, August 23, 2021. He was born on January 6, 1932 in Gibson, Louisiana to Sidney Louis Claude Theriot and Eunice Giroir Theriot.

He is survived by his children Cyd Denise Theriot, Timothy Theriot (Kelly), David Theriot (Michelle), Robbi Theriot Day (Donald), and his 11 grandchildren. He is also survived by his 16 great grandchildren and 2 great-great grandchildren.

Sidney is preceded in death by his loving wife Loanalee Claire Guidry Theriot, his sons Jonathon and Jerome Theriot, his parent’s Sidney and Eunice Theriot.

His love of sports started while attending Terrebonne High School. A successful multisport athlete, he received a full football scholarship to Texas A & M. While completing his degree in education, he was also a member of an Aggie football team that would later be known as the Junction boys. His love for the community of Mandeville became evident during his 40+ years as a coach, athletic director and educator at Mandeville High School and St. Paul’s School. In 2009 he was honored to have the Mandeville High School football stadium named for his legacy.

During the summer months, he was also the director of the 4th Ward youth sports program. On Sundays Sid could be found attending mass at Our Lady of the Lake Catholic Church. After his retirement, Sid and his wife Loanalee, enjoyed camping in the Great Smokie Mountains with their family and friends. He will be greatly missed by all who knew him.

A private funeral mass was held at Our Lady of the Lake Catholic Church, and then laid to rest in the Mandeville Cemetery next to his beloved wife and two sons.

The family invites you to share thoughts, fond memories, and condolences online at E. J. Fielding Funeral Home Guest Book at

© 2021 E.J. Fielding Funeral Home & Cremation Services. All Rights Reserved

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