Armstrong, Matthew W. - Of Northport, on January 4, 2021, 87 years of age. Born in Northern Ireland. Loving husband of the late Catherine. Beloved father of Maureen (Robert) Roderka, Sharon (James) Kranenberg, and James (Trish) Armstrong. Cherished grandfather of Catherine, PAtrick, Julia, Olivia, Danielle, and Marissa. Fond brother of Sheila Black, Betty Gilliland, and Sally Munford. Visiting Nolan Funeral Home, Northport, Saturday, 3-7 PM. Funeral service 6:30 PM. Cremation private. Donations to VNS Hospice, 505 Main Street, Northport, NY 11768 in Matthew's memory would be appreciated.