Birth Name: Oliver James Platt
Place of Birth: Windsor, Ontario, Canada
Date of Birth: January 12, 1960
Ethnicity: English (mostly), with small amounts of Irish, Dutch, and French
Oliver James Platt is an American actor.
Oliver was born in Windsor, Ontario, Canada, to American parents. His mother, Sheila Maynard, was a clinical social worker, and his father Nicholas Platt, was a diplomat who served as U.S. ambassador to Pakistan, Zambia, and the Philippines. Oliver’s brother, Adam Platt, is a New York Magazine restaurant critic. Oliver was raised in the U.S., as well as internationally for his father’s job. Oliver is married to Camilla Campbell, with whom he has three children.
Both of his parents came from prominent New England families, and had a lot of English ancestry, with American-born ancestors going back to the 1600s. Oliver’s distant roots also include Irish, Dutch, and French.
Oliver’s patrilineal line can be traced to Simon Platt, who was born, c. the 1530s, in Ware, Hertfordshire, England.
On his mother’s side, he is a second cousin, once removed, of Diana, Princess of Wales. Oliver’s maternal great-great-grandparents, James Boothby Burke Roche, 3rd Baron Fermoy, and Frances Ellen Work, were also Princess Diana’s maternal great-grandparents.
Oliver’s paternal grandfather was Geoffrey Platt (the son of Charles Adams Platt and Eleanor Hardy). Geoffrey was born in New Hampshire. Charles was an artist, landscape gardener, landscape designer, and architect, and was the son of John Henry Platt and Mary Elizabeth Cheney.
Oliver’s paternal grandmother was Helen Choate (the daughter of Joseph Hodges Choate and Cora Lyman Oliver). Helen was born in New York. Joseph was the son of Joseph Hodges Choate, a diplomat and lawyer, who was U.S. Ambassador to the U.K., from March 6, 1899 to May 23, 1905; and of Caroline Dutcher (Sterling) Choate, an artist, educational reformer, suffragist, philanthropist, and socialite. Joseph’s brothers, Oliver’s great-great-great-uncles, were William Gardner Choate, a prominent lawyer and federal judge, who created private school, Choate Rosemary Hall; and George Cheyne Shattuck Choate, a physician, who founded Choate House, a psychiatric sanatorium. Oliver’s great-grandmother Cora was the daughter of General Robert Shaw Oliver and Marion Lucy Rathbone.
Oliver’s maternal grandfather was Walter Maynard (the son of Walter Effingham Maynard and Eunice Ives). Oliver’s grandfather Walter was born in New York. Oliver’s great-grandfather Walter was the son of Effingham Maynard and Helen Maria Hollister. Eunice was the daughter of Brayton Ives and Eleanor Anderson Bissell.
Oliver’s maternal grandmother was Eileen Burden (the daughter of Arthur Scott Burden and Cynthia Burke Roche). Eileen was born in New York. Arthur was an equestrian, from the Burden family of industrialists, and was the son of James Abercrombie Burden and Mary Proudfit Irvin. Oliver’s great-grandmother Cynthia was a prominent socialite, and resided at the famous Elm Court mansion in Newport, Rhode Island, in the 1950s. Cynthia was born in England, the daughter of British MP James Roche (James Boothby Burke Roche), and American heiress Frances Ellen/Eleanor Work, from New York. Oliver’s great-great-grandmother Frances was heir to a dry good and finance fortune, created in New York City, and a pork-packing fortune, created in Chillicothe, Ohio.
Oliver’s paternal grandfather, Geoffrey Platt, on the 1910 U.S. Census – https://www.familysearch.org
Oliver’s paternal grandmother, Helen Choate, on the 1930 U.S. Census – https://www.familysearch.org
Oliver’s maternal grandfather, Walter Maynard, on the 1920 U.S. Census – https://www.familysearch.org
Oliver’s maternal grandmother, Eileen Burden, on the 1920 U.S. Census – https://www.familysearch.org