He moved to New York City, where he was employed as a clerk and became involved in the wholesale grocery business.

In addition to his business career, Darling served as a private and officer in the New York National Guard's 7th Regiment for eleven years.

From 1847 to 1854 Darling served as New York City's deputy receiver of taxes.

Active in the Republican from its inception, Darling was a presidential elector in 1860; the Republicans carried New York, and Darling cast his ballot for the ticket of Abraham Lincoln and Hannibal Hamlin.

This article incorporates public domain material from the Biographical Directory of the United States Congress