Henrietta of England, also known as Henrietta Anne Stuart, was the youngest child of King Charles I of England and Henrietta Maria of France. Born in 1644, she fled England during the Civil War and moved to the court of her cousin, King Louis XIV of France. Henrietta married Philippe I, Duke of Orléans, and played a key role in negotiating the Secret Treaty of Dover between France and England. Her unexpected death at the age of 26 in June 1670 had significant implications for the Jacobite claims to the British throne. Henrietta was known for her close relationship with her mother, Queen Henrietta Maria, and her connections with the French court, which proved useful later in life. While living in France, she and her mother were given apartments at the Louvre and a monthly pension. Despite the challenges she faced, including the execution of her father and the restoration of the monarchy in England, Henrietta's life and marriage in France were marked by political and personal intricacies. Her story remains intertwined with the history of England and France during the 17th century.

Henrietta Swan Leavitt, born on July 4, 1868, was an influential American astronomer whose groundbreaking discovery revolutionized the understanding of the universe's scale and nature. Graduating from Radcliffe College, she joined the Harvard College Observatory as a human computer, where she meticulously measured photographic plates to catalog the positions and brightness of stars. Her meticulous work led to the identification of a relationship between the luminosity and the period of Cepheid variables, providing astronomers with a crucial tool for measuring astronomical distances. This discovery ultimately settled the Great Debate in astronomy about the size of the universe. Despite her significant contributions, Leavitt's nomination for the Nobel Prize was halted due to her untimely death on December 12, 1921. Her legacy lives on through her pivotal role in shaping our understanding of the cosmos and her enduring impact on the field of astronomy.

Henrietta Godolphin, suo jure Duchess of Marlborough (19 July 1681 – 24 October 1733), was the daughter of John Churchill, 1st Duke of Marlborough, and Sarah Jennings, Duchess of Marlborough. Born Henrietta Churchill, she assumed various titles throughout her life due to her family's prestigious positions. Notably, she became the suo jure Duchess of Marlborough after her father's death in 1722. Henrietta married The Hon. Francis Godolphin in 1698 and bore five children. She passed away at the age of 52 and was buried in Westminster Abbey. Despite her untimely death, her legacy lived on through her titles, which passed to her nephew, the 5th Earl of Sunderland. Henrietta Godolphin's life and connections to prominent figures in British history make her an intriguing figure worthy of historical exploration.

Henrietta Longstreet Boggs, an American author, journalist, and activist, made history as the First Lady of Costa Rica from 1948 to 1949, following the Costa Rican Civil War. Born in Spartanburg, South Carolina, in 1918, she later moved to Birmingham, Alabama, where she pursued her education and began her career in writing and reporting. Boggs' life took a significant turn when she met and married José Figueres Ferrer, who later led the opposition forces in the Costa Rican Civil War. During her time as the first lady, she advocated for women's suffrage in Costa Rica. However, she eventually realized the challenges of balancing marriage and politics in a patriarchal society and divorced Figueres in 1954. After moving to New York City, she continued her passion for writing and worked for Costa Rica's delegation to the United Nations. Boggs returned to Alabama in 1969, where she co-founded and wrote for River Region Living magazine. She passed away at the age of 102 in 2020. Boggs' compelling memoir, "Married to a Legend: My Life with Don Pepe," inspired the documentary "First Lady of the Revolution," shedding light on her remarkable life and contributions.

Henrietta Emma Litchfield (née Darwin; 1843–1927) was the third daughter of renowned scientist Charles Darwin. Born at Down House, Kent, she played a significant role in her father's work, particularly in editing his publications, including The Descent of Man. Henrietta married Richard Buckley Litchfield in 1871, and though they had no children, their partnership lasted until his passing in 1903. Henrietta also undertook the editing of her father's and mother's papers, ensuring their accurate representation. Additionally, she addressed and refuted claims of her father's deathbed conversion in The Christian in 1922. Henrietta passed away at the age of 84 in Surrey and was buried in St Mary the Virgin Churchyard, Downe, Kent. Her contributions and dedication to preserving her family's legacy continue to be appreciated and remembered.Keywords: Henrietta Emma Litchfield, Charles Darwin, daughter, editing, contributions, legacy, biography, obituary, Surrey