Biography
William Pierson Hamilton was born 5 February 1869 in New York City, New York, United States to William Gaston Hamilton (1832-1913) and Helen Maria Pierson (1834-1893) and died 8 May 1950 Santa Barbara, Santa Barbara County, California, United States of unspecified causes. He married Juliet Pierpont Morgan (1870-1952) 12 April 1894 in New York City, New York, United States. He married Theodosia Sisson (1884-1941) 2 January 1924 in Montecito, Santa Barbara County, California, United States.
Children
| Name | Birth | Death | Joined with |
| Helen Morgan Hamilton (1896-1985) | 12 June 1896 Ramapo, Rockland County, New York, United States | 25 January 1985 Mystic, New London County, Connecticut, United States | Arthur Hale Woods (1870-1942) Warren Randolph Burgess (1889-1978) |
| Pierpont Morgan Hamilton (1898-1982) | 3 August 1898 Tuxedo Park, Orange County, New York, United States | 4 March 1982 Los Angeles, Los Angeles County, California, United States | Marie Louise Blair (1899-1994) Rebecca Stickney (1902-1994) Norah Goldsmith (bef1946-) |
| Laurens Morgan Hamilton (1900-1978) | |||
| Alexander Morgan Hamilton (1903-1970) | |||
| Elizabeth Schuyler Hamilton (1907-1919) | |||
Footnotes (including sources)
| ‡ General |
| ₪ Wedding |
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