Gould married Helen Day Miller (1838–1889) in 1863. Their children were: •
George Jay Gould I (1864–1923), married
Edith M. Kingdon (1864–1921) •
Kingdon Gould Sr. (1887–1945), married Annunziata Camilla Maria Lucci (1890–1961) •
Jay Gould II (1888–1935), married Anne Douglass Graham •
Marjorie Gould (1891–1955), married
Anthony Joseph Drexel III •
Helen, Lady Decies (1893–1931), married
John Graham Hope DeLaPoer Horsley Beresford (1866–1945) • George Jay Gould II (1896–1963), married Laura Carter • Edith Catherine Gould (1901–1937), married
Carroll Livingston Wainwright I (1899–1967), then Sir Hector Murray MacNeal •
Gloria Gould (1906–1943), married Henry A. Bishop II, then Walter McFarlane Barker •
Edwin Gould I (1866–1933), married Sarah Cantine Shrady • Edwin Gould Jr. (1894–1917), died on
Jekyll Island in 1917 • Frank Miller Gould (c. 1895–1945), married Florence Amelia Bacon, died on January 13, 1945 •
Helen Miller Gould Shepard (1868–1938), married Finlay Johnson Shepard (1867–1942) They adopted three children. •
Howard Gould (1871–1959), married Viola Katherine Clemmons on October 12, 1898, then actress
Grete Mosheim in 1937 •
Anna, Duchess de Talleyrand-Périgord (1875–1961), married
Paul Ernest Boniface,
Comte de Castellane (1867–1932), then
Hélie de Talleyrand-Périgord, 5th Duke of Talleyrand, 5th Duc of Dino, 4th Duke von Sagan, and Prince of Sagan (1858–1937). • Children with Boniface: • Marie Louise Boniface de Castellane (1896–?), died during infancy or early childhood • Antoine Boniface, Marquis de Castellane (1896–1946), married Yvonne Patenôtre • Georges Paul Ernest Boniface de Castellane (1897 or 1899–1944), married Florinda Fernández y Anchorena (1901–?) • Georges Gustave Boniface de Castellane (c. 1898–1946) • Jay Boniface de Castellane (1902–1956) • Children with Talleyrand: • Howard de Talleyrand, duc de Sagan (1909–1929), he killed himself when told that he could not immediately marry a girl he met in school • Helen Violette de Talleyrand-Périgord (1915–2003), married James Robert de Pourtales on March 29, 1937, then
Gaston Palewski (1901–1984) •
Frank Jay Gould (1877–1956), married Helen Kelley; then Edith Kelly; then
Florence La Caze (1895–1983) ==Memorials and namesakes==