Kevin Bell was found unconscious on East 233rd Street in the Bronx on Sunday morning, according to US media.
A pedestrian called the NYPD and officers believe Mr Bell was struck by a car at about 3.30am.
The driver fled and the victim was pronounced dead after being taken to hospital, it has been reported.
Police said they do not yet have a description of the car.
Newry MLA Dominic Bradley has said Mr Bell was a talented Irish dancer.
COMMENT RULES: Comments that are judged to be defamatory, abusive or in bad taste are not acceptable and contributors who consistently fall below certain criteria will be permanently blacklisted. The moderator will not enter into debate with individual contributors and the moderator’s decision is final. It is Belfast Telegraph policy to close comments on court cases, tribunals and active legal investigations. We may also close comments on articles which are being targeted for abuse. Problems with commenting? email@example.com