Isaac married Mary Rebecca Aspinwall, the daughter of John and Susan (Howland) Aspinwall in 1827 in New York. Isaac and Mary had two sons, born in New York:
James Roosevelt (b. 16 Jul 1828; d. 8 Dec 1900, Hyde Park, NY), m. 1) in 1853, Rebecca Brien Howland (1831-1876), m. 2) in 1880, Sarah Ann Delano (1854-1941)
John Aspinwall Roosevelt (b. 27 Jul 1840; d. ll Mar 1909, Hyde Park, NY), m. Ellen Murray Crosby (1837-1928)
Isaac graduated from Princeton University in 1808. He received the degree of MD from College of Physicians and Surgeons in New York in 1812. He continued his medical studies with Dr David Hosack until 1820; however Isaac never actually practiced having the inability to "bear the sight of human suffering." His passion was farming and when his father purchased Mount Hope in Hyde Park, Isaac left New York City to live there permanently.In 1832, Isaac built Rosedale, close to his father's home where he enjoyed country life with his wife and sons. He is the paternal grandfather of U.S. President Franklin Delano Roosevelt.
Rosedale, Isaac Roosevelt Family Home
His home, the center of his Rosedale estate, still stands on Riverview Circle in Hyde Park. It was listed on the National Register of Historic Places in 1993, along with a cottage and boathouse on the nearby Hudson River.
Isaac Daniel Roosevelt, MD, died on 23 October 1863 at 73 years of age in Hyde Park, Otsego, New York.He is buried in the Saint James Episcopal Churchyard in Hyde Park, Duchess, New York.
↑ Roberts, Gary Boyd. The Royal Descents of 900 Immigrants to the American Colonies or the United States, Vol II. Baltimore, MD: Genealogical Publishing Company, 2018. Pages 879-884.
↑ "New York, New York City Municipal Deaths, 1795-1949," database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:2WX4-RH5 : 3 June 2020), Isacc Roosevelt in entry for James Roosevelt, 8 Dec 1900; citing Death, Manhattan, New York City, New York, United States, New York Municipal Archives, New York; FHL microfilm 1,322,983.
↑ Find a Grave, database and images (https://www.findagrave.com : accessed 16 September 2020), memorial page for Dr Isaac Daniel Roosevelt (29 Sep 1790–24 Dec 1863), Find a Grave Memorial no. 99663330, citing Saint James Episcopal Churchyard, Hyde Park, Dutchess County, New York, USA ; Maintained by Jeff Harvey (contributor 47464825).
The biography for Dr. Isaac Daniel Roosevelt, MD with in-line sourcing and images were added by Carol M. Baldwin on 16 September 2020.