Duncan was a graduate of Hackensack High School (Class of 2002) where he was a "legend" on the football field, Deputy Mayor David Sims said.
Duncan worked locally as a substance abuse counselor, according to his Facebook page.
Visitation will be Monday, May 6 from 10 a.m. to noon at the Mount Olive Baptist Church in Hackensack.
A masonic service will begin at 11 a.m. with a funeral service to follow at noon.
Interment will be at George Washington Memorial Park in Paramus, at 2:30 p.m.
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