Thomas J. Robertson, age 89, longtime resident of Concord, MA and former Concord-Carlisle High School Guidance Counselor, passed away peacefully on July 21, 2022. He was predeceased by his beloved wife Helen Robertson, brother and sister-in-law Fred and Nancy Robertson, brother Jack Robertson, and brother-in-law Bill Ramsey. He is survived by his sister June Ramsey, sister-in-law Judie Robertson, sons Todd Robertson and Mark Robertson (and wife Terry) and grandsons Michael, Steven, and Cameron Robertson, along with many loving nieces and nephews. A private burial service will be held at Sleepy Hollow Cemetery in Concord. Memorial donations may be made in his memory to the Concord Council on Aging, 1276 Main Street, Concord, MA 01742 or The Scholarship Fund of Concord and Carlisle, 34 Walden St. Unit 217, Concord, MA 01742. Arrangements are under the care of Dee Funeral Home & Cremation Service of Concord.