Most Holy Trinity Catholic Cemetery

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Most Holy Trinity Catholic Cemetery is a cemetery in East Hampton, New York, that is the burial ground for the paternal ancestors and relatives of First Lady of the United States Jacqueline Kennedy Onassis.

The cemetery on Cedar Street north of the village is associated with Most Holy Trinity (formerly Saint Philomena) Roman Catholic Church in East Hampton although it is a mile north of the church.

Jacqueline Kennedy Onassis, who was born nearby at Southampton Hospital, spent her summers until age 10 at her grandfather's home called Lasata. She is buried not at Most Holy Trinity but next to her first husband, President John F. Kennedy, in Arlington National Cemetery.

• John Vernou Bouvier III (1891–1957) – Jacqueline Kennedy Onassis' father
• John Vernou Bouvier Jr. (1865–1948) – Jacqueline Kennedy Onassis' paternal grandfather
• Edith Ewing Bouvier Beale (1895–1977) – Jacqueline Kennedy Onassis' aunt immortalized in the documentary Grey Gardens
• Philip Barry, Sr. (1896–1949) – Author
• Lee Bouvier Radziwill (1933–2019) – Jacqueline Kennedy Onassis' sister
• Jean Kennedy Smith (1928-2020) - Joseph P and Rose Kennedy's eighth child, sister to President John F. Kennedy and sister-in-law to Jacqueline Kennedy Onassis

• Most Holy Trinity Catholic Cemetery at Find a Grave
• U.S. Geological Survey Geographic Names Information System: Most Holy Trinity Roman Catholic Cemetery

40°58′44″N 72°12′16″W / 40.9789574°N 72.2043219°W / 40.9789574; -72.2043219