Kingston, N. Y., June 1.--James D. Wynkoop, for many years a well known grain dealer of New-York City, died at his summer home at Hurley to-day, aged sixty-one years. He retired from active business five years ago. His New-York home was at No. 109 West Seventy-second-st. Mr. Wynkoop was a member of the Produce Exchange, the Sons of the American Revolution and the Holland Society.

Source:

Unknown, "James D. Wynkoop," New-York Tribune, Thursday, 2 June, 1904, page 7.