Daniel Cady (April 29, 1773 – October 31, 1859) was an American lawyer, politician and judge in upstate New York.

As a young lawyer, he worked with such notables as Alexander Hamilton and Aaron Burr, and toward the end of his career, he served on a case with Abraham Lincoln, where they each represented clients in a land dispute associated with Beloit College.

Cady presided over the New York electoral college,[1] which cast 35 votes for Fremont who lost the election to Democrat James Buchanan.

[9] On July 8, 1801, Cady was married to Margaret Livingston (1785–1871), the daughter of Col. James Livingston, an officer in the Continental Army during the American Revolution who fought at Saratoga and Quebec, and assisted in the capture of Major John Andre at West Point.

A sixth child, a son named Eleazar, died at age 20 just before his graduation from Union College in Schenectady, New York.

[11] Their surviving children included:[4] His wife was an unusually tall woman for her time, had a commanding presence, whom their daughter Elizabeth described as "queenly.

[18] Through his daughter Harriet, he was the grandfather of Daniel Cady Eaton (1834-1895), professor of botany at Yale College from the 1860s and the first Governor of the Society of Colonial Wars in the State of Connecticut.