Antoinette D. "Toni" (DeHullu) Heider, 78, a resident of Plaistow, NH died on Thursday, February 20, 2025 with her loving family by her side. She was the beloved wife of Richard L. Heider Jr.

Toni was born in Methuen, MA on August 19, 1946 and was the daughter of the late George and Helen (Romanosky) DeHullu.She was raised and educated in Haverhill and North Andover and was a graduate of North Andover High, School Class of 1964. Toni received a bachelor's degree in biology from UMass Lowell in 1968. After graduating she was employed as a research technologist at Massachusetts General Hospital in Boston.  She founded and owned the Maplewood Florist and Garden Center in Plaistow from 1971-1989. She enjoyed painting, gardening, quilting, going to the beach and visiting with friends and family.  Toni was a member of the Merrimack Valley Quilters, and the Plaistow Public Library Knitting club. She was a longtime parishioner of Holy Angels Parish in Plaistow.

Toni is survived by her husband Richard, daughter Andrea Farrington and her husband Matthew, her two grandchildren Graham and Milo.

Family and friends are invited to attend a funeral service to be held on Wednesday, August 13, 2025 at 11am at the Brookside Chapel & Funeral Home 116 Main St. Plaistow, NH. Interment will be held privately.