Henry Reed Stiles (March 10, 1832[1] – January 7, 1909[2]) was an American physician who wrote several historical records and genealogical books.

As a doctor, he served in various medical positions primarily in New York City, although he spent four years in Dundee, Scotland.

[4] Henry Stiles was born in New York City and had three brothers, Arthur, William, and Samuel, and one sister, Charlotte.

He practiced medicine for a few months in New York City before moving briefly to Galena, Ohio, where he took on a partner, Dr. Timothy M. Wilcox.

[1] On June 17, 1873, he was appointed as a Sanitary Inspector until the next month, when he was made Superintendent of the State Homeopathic Asylum for the Insane in Middletown, New York.

In January 1882 he established a private practice to treat individuals with mental and nervous diseases at Hill View, New York.

[5] In 1865 he was an active member of the Faust Club which published limited editions of Wood's History of Long Island, and of Farman's Notes on Brooklyn, N. Y.

After his full retirement in 1901, he devoted all his time to completing and preparing for publication of The History of Ancient Wethersfield, Connecticut.

Stiles wrote a number of books and also contributed numerous articles to magazines, newspapers, and genealogical publications.