List of Famous people who died in 1951

István Friedrich was a Hungarian politician, footballer and factory owner who served as Prime Minister of Hungary for three months between August and November in 1919. His tenure coincided with a period of political instability in Hungary immediately after World War I, during which several successive governments ruled the country.

Virgil Munday Chapman, a Democrat, represented Kentucky in the United States House of Representatives and in the United States Senate.

Fréhel was a French singer and actress.

Countess Elisabeth Dobrzensky of Dobrzenicz was a Bohemian noblewoman whose marriage to the son of the former heiress to the throne of Brazil prompted renunciation of his claim to the abolished monarchy's throne.

Mildred Bailey was a Native American jazz singer during the 1930s, known as "The Queen of Swing", "The Rockin' Chair Lady" and "Mrs. Swing". Some of her best-known hits are "For Sentimental Reasons", "It's So Peaceful in the Country", "Doin' The Uptown Lowdown", "Trust in Me", "Where Are You?", "I Let a Song Go Out of My Heart", "Small Fry", "Please Be Kind", "Darn That Dream", "Rockin' Chair", "Blame It on My Last Affair", and "Says My Heart". She had three singles that made number one on the popular charts.

Sir William Robert Campion, was a British soldier, politician, and the 21st Governor of Western Australia from 1924 to 1931.

Princess Hélène of Orléans was a member of the deposed Orléans royal family of France and, by marriage to the head of a cadet branch of the Italian royal family, the Duchess of Aosta. Although her hand in marriage was sought for the heirs to the thrones of both the United Kingdom and the Russian Empire, neither alliance occurred.

Robert Joseph Flaherty, was an American filmmaker who directed and produced the first commercially successful feature-length documentary film, Nanook of the North (1922). The film made his reputation and nothing in his later life fully equaled its success, although he continued the development of this new genre of narrative documentary with Moana (1926), set in the South Seas, and Man of Aran (1934), filmed in Ireland's Aran Islands. Flaherty is considered the "father" of both the documentary and the ethnographic film.

Princess Milica Petrović-Njegoš of Montenegro, also known as Grand Duchess Militza Nikolaevna of Russia, was a Montenegrin princess. She was the daughter of King Nikola I Petrović-Njegoš of Montenegro and his wife, Milena Vukotić. Milica was the wife of Grand Duke Peter Nikolaevich of Russia, the younger brother of Grand Duke Nicholas Nikolaevich of Russia, whose wife was Milica's sister, Anastasia.

Sidney Michael Dancoff was an American theoretical physicist best known for the Tamm–Dancoff approximation method and for nearly developing a renormalization method for solving quantum electrodynamics (QED).