Coroners in Calderdale are appealing for the family of Donald Leo McCoy to get in contact.
Mr McCoy, 70, died at his home in Towngate, Sowerby Brigde on Wednesday, November 18. He died of natural causes.
It is possible that he has a daughter who may be in the New Jersery area in the United States.
Any relatives are asked to contact Coroner’s Officer Sam Cariss on 01274 373721.