John Winthrop Auchincloss was born 12 April 1853 in New York City, New York County, New York, United States to John L. Auchincloss (1810-1876) and Elizabeth Buck (1816-1902) and died 24 January 1938 Manhattan, New York County, New York, United States of unspecified causes. He married Joanna Hone Russell (1856-1933) 1881 .
Children
| Name | Birth | Death | Joined with |
| Charles Russell Auchincloss (1881-1958) | |||
| Elizabeth Auchincloss (1884-1963) | |||
| John Winthrop Auchincloss (1886-1888) | |||
| Joseph Howland Auchincloss (1886-1968) | 22 May 1886 New York City, New York County, New York, United States | 30 August 1968 New York City, New York County, New York, United States | Priscilla Dixon Stanton (1888-1972) |
| Joanna Russell Auchincloss (1889-1971) | |||
| Caroline Auchincloss (1891-1967) | |||
Siblings
| Name | Birth | Death | Joined with |
| Henry Buck Auchincloss (1836-1926) | |||
| Sarah Ann Auchincloss (1838-1887) | |||
| John Stuart Auchincloss (1840-1842) | |||
| William Stuart Auchincloss (1842-1928) | |||
| Edgar Stirling Auchincloss (1847-1892) | 29 September 1847 New York City, New York County, New York, United States | 13 March 1892 New York City, New York County, New York, United States | Maria LaGrange Sloan (1847-1929) |
| Frederick Lawton Auchincloss (1851-1878) | |||
| John Winthrop Auchincloss (1853-1938) | 12 April 1853 New York City, New York County, New York, United States | 24 January 1938 Manhattan, New York County, New York, United States | Joanna Hone Russell (1856-1933) |
| Hugh Dudley Auchincloss (1858-1913) | 8 July 1858 Newport, Newport County, Rhode Island, United States | 21 April 1913 New York City, New York County, New York, United States | Emma Brewster Jennings (1861-1942) |
Residences
Footnotes (including sources)
| ‡ General |
| ¶ Death |
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