Irene A DeGrandpré Obituary

The passing of Irene A DeGrandpré (Mountain Lakes, New Jersey) occurred on September 18, 2026. Irene, born on April 18, 1940, is remembered by those who knew her. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

She was predeceased by: her parents, Thomas Joseph "Ted" Mahoney and Irene Lennon Mahoney; and her siblings, Peter Mahoney and Nancy Mahoney Sourhrada. She is survived by: her husband John; her children, John, Jocelyn, Aimee "Mimi", Greg, Kristen and Jolie; her grandchildren, Christopher, Joseph, Robert "Tommy" McCaffrey, Aidan, James McCaffrey, Peter, Theodore "Ted", Genevieve, Anastasia "Annie" Elmore, Grace Elmore, John Elmore and Mumzy; and her brother Thomas "Tony" Mahoney.

Visitation was held on Friday, September 25th 2026 from 3:00 PM to 5:00 PM at the Norman Dean Home (16 Righter Ave, Denville, NJ 07834). A funeral Mass was held on Saturday, September 26th 2026 from 10:00 AM to 10:45 AM at the St. Catherine of Siena Church (10 N Pocono Rd, Mountain Lakes, NJ 07046). A graveside service was held on Saturday, September 26th 2026 from 11:30 AM to 11:45 AM at the Gate of Heaven Cemetery (225 Ridgedale Ave, East Hanover, NJ 07936).

Internment will immediately follow at Gate of Heaven Cemetery - 225 Ridgedale Ave, East Hanover, NJ, In lieu of flowers, the family asks that donations be made in Irene's memory to Roots & Wings NJ (https://my.onecause.com) or the Parkinson's Foundation, two organizations reflecting causes deeply connected to her life and her family.