LOUDON - Grant D. Avery, 86, of Loudon, passed away on Thursday, December 29, 2022 at Concord Hospital - Franklin following a period of declining health. Born on September 10, 1936 in Concord, he was the son of the late Hollon and Alta (Tholander) Avery. Grant was educated in the local schools and went on to proudly serve his country in the United States Air Force. He was employed for over 25 years with Sprague Electric until his retirement. Grant loved the outdoors and an adventure - he cycled across the country, climbed all 48 of NH's 4000 footers, ran 19 marathons, skied, camped and kayaked - with Di by his side. Besides his parents, he was predeceased by two step-sons, Keith Maxfield and Richard Maxfield as well as three siblings, Hollon Avery, Marilyn Foster and Kenneth Avery. He is survived by his wife, Diana (Towle) Avery of Loudon, with whom he shared 48 years of marriage, children, Eugene Avery and his wife Lynne of Bow, Donald Avery of Henniker and Alan "Rick" Avery of Laconia, Laurie Rivet and her husband Raymond of Concord and Dana Maxfield and his wife Kathy of Birmingham, AL, siblings, Eugene Avery of KY and Carole Milliken of Concord, twelve grandchildren, Kyle, Curtis, Alec, Ian, Emma, Erika, Alec, Rachel, Jack, Scott, Katie and Ellie, four great grandchildren, Alethea, Charlotte, Kendall and Calvin as well as numerous nieces, nephews and cousins. At Grant's request there are no calling hours. A graveside service will be held in the spring at Loudon Ridge Cemetery, Loudon. The Roan Family Funeral Home - Still Oaks Chapel in Epsom is assisting the family with arrangements. To share a memory or offer a condolence please visit www.roanfamilyfuneral.com