
Diana Lynn Berthiaume, age 58, passed peacefully on August 25, 2025, at the Pines in Rutland.
Diana was born in Ridgewood, N.J., on December 22, 1966, the daughter of John and Rita (Wozniak) Arnott. She grew up in Charlotte, Vt., and graduated from Champlain Valley Union High School in the class of 1985. She went on to attend Roger Williams University and later earned her LPN from the Fanny Allen School of Nursing. Diana began her career in health care, working at Porter Hospital and Neshobe Family Medicine in Brandon. She later expanded her professional path, earning her real estate broker’s license. After the passing of her father, she stepped into his role as president of Ladd Research. She loved to travel; London, England, was a favorite to visit.
She is survived by her husband, Vern Berthiaume; a son, Jack Berthiaume, and her daughter, Katie Berthiaume; her mother, Rita Arnott; and one brother, John Arnott. Her nephew Julian Arnott and niece Johanna Arnott also survive her. In addition, she will be missed by many other beloved family members and close friends.
A private funeral service will be held at Miller & Ketcham Funeral Home in Brandon, followed by a private graveside committal and burial at West Salisbury Cemetery.
A celebration of life will take place on Sunday, September 7, noon to 3 p.m., at the Brandon Inn. All who loved Diana are warmly invited to join in honoring and remembering her. In lieu of flowers, memorial contributions may be made in Diana’s memory to MD Anderson Cancer Center, where Diana received treatment. Donations may be made online at mdanderson.org/donate or sent by mail to 1515 Holcombe Blvd., Houston, TX 77030.
This article appears in 30th Birthday Issue.
